Home / 30,249,520.05-45,374,280.08-11,082,214.65

Finding the Fourth Proportional to 30,249,520.05, 45,374,280.08 and 11,082,214.65

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Solution

The fourth proportional to 30,249,520.05, 45,374,280.08 and 11,082,214.65 is: 16,623,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,520.05 : 45,374,280.08 = 11,082,214.65 : x
  2. Step 2: Convert to fraction form
    30,249,520.05/45,374,280.08 = 11,082,214.65/x
  3. Step 3: Cross multiply
    30,249,520.05x = 45,374,280.08 × 11,082,214.65
  4. Step 4: Simplify right side
    30,249,520.05x = 502,847,511,380,368.12
  5. Step 5: Solve for x
    x = 502,847,511,380,368.12/30,249,520.05
  6. Step 6: Final answer
    x = 16,623,321.98

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.