Home / 30,249,742.80-45,374,614.20-11,082,437.40

Finding the Fourth Proportional to 30,249,742.80, 45,374,614.20 and 11,082,437.40

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Solution

The fourth proportional to 30,249,742.80, 45,374,614.20 and 11,082,437.40 is: 16,623,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,742.80 : 45,374,614.20 = 11,082,437.40 : x
  2. Step 2: Convert to fraction form
    30,249,742.80/45,374,614.20 = 11,082,437.40/x
  3. Step 3: Cross multiply
    30,249,742.80x = 45,374,614.20 × 11,082,437.40
  4. Step 4: Simplify right side
    30,249,742.80x = 502,861,321,420,651.12
  5. Step 5: Solve for x
    x = 502,861,321,420,651.12/30,249,742.80
  6. Step 6: Final answer
    x = 16,623,656.10

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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.