Home / 20,331,726.57-28,057,656.29-11,630,044.53

Finding the Fourth Proportional to 20,331,726.57, 28,057,656.29 and 11,630,044.53

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Solution

The fourth proportional to 20,331,726.57, 28,057,656.29 and 11,630,044.53 is: 16,049,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,726.57 : 28,057,656.29 = 11,630,044.53 : x
  2. Step 2: Convert to fraction form
    20,331,726.57/28,057,656.29 = 11,630,044.53/x
  3. Step 3: Cross multiply
    20,331,726.57x = 28,057,656.29 × 11,630,044.53
  4. Step 4: Simplify right side
    20,331,726.57x = 326,311,792,001,984.38
  5. Step 5: Solve for x
    x = 326,311,792,001,984.38/20,331,726.57
  6. Step 6: Final answer
    x = 16,049,389.16

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1.5x scale

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.