Home / 22,616,499.72-31,229,618.85-20,975,345.76

Finding the Fourth Proportional to 22,616,499.72, 31,229,618.85 and 20,975,345.76

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Solution

The fourth proportional to 22,616,499.72, 31,229,618.85 and 20,975,345.76 is: 28,963,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616,499.72 : 31,229,618.85 = 20,975,345.76 : x
  2. Step 2: Convert to fraction form
    22,616,499.72/31,229,618.85 = 20,975,345.76/x
  3. Step 3: Cross multiply
    22,616,499.72x = 31,229,618.85 × 20,975,345.76
  4. Step 4: Simplify right side
    22,616,499.72x = 655,052,053,331,763.62
  5. Step 5: Solve for x
    x = 655,052,053,331,763.62/22,616,499.72
  6. Step 6: Final answer
    x = 28,963,458.60

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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.