Home / 30,249,730.80-45,374,596.20-11,082,425.40

Finding the Fourth Proportional to 30,249,730.80, 45,374,596.20 and 11,082,425.40

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Solution

The fourth proportional to 30,249,730.80, 45,374,596.20 and 11,082,425.40 is: 16,623,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,730.80 : 45,374,596.20 = 11,082,425.40 : x
  2. Step 2: Convert to fraction form
    30,249,730.80/45,374,596.20 = 11,082,425.40/x
  3. Step 3: Cross multiply
    30,249,730.80x = 45,374,596.20 × 11,082,425.40
  4. Step 4: Simplify right side
    30,249,730.80x = 502,860,577,441,623.50
  5. Step 5: Solve for x
    x = 502,860,577,441,623.50/30,249,730.80
  6. Step 6: Final answer
    x = 16,623,638.10

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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.