Home / 9,217,753.08-12,720,430.53-5,087,783.40

Finding the Fourth Proportional to 9,217,753.08, 12,720,430.53 and 5,087,783.40

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Solution

The fourth proportional to 9,217,753.08, 12,720,430.53 and 5,087,783.40 is: 7,021,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,753.08 : 12,720,430.53 = 5,087,783.40 : x
  2. Step 2: Convert to fraction form
    9,217,753.08/12,720,430.53 = 5,087,783.40/x
  3. Step 3: Cross multiply
    9,217,753.08x = 12,720,430.53 × 5,087,783.40
  4. Step 4: Simplify right side
    9,217,753.08x = 64,718,795,291,387.20
  5. Step 5: Solve for x
    x = 64,718,795,291,387.20/9,217,753.08
  6. Step 6: Final answer
    x = 7,021,103.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.