Home / 22,574,921.27-31,153,801.74-12,787,397.64

Finding the Fourth Proportional to 22,574,921.27, 31,153,801.74 and 12,787,397.64

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Solution

The fourth proportional to 22,574,921.27, 31,153,801.74 and 12,787,397.64 is: 17,646,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574,921.27 : 31,153,801.74 = 12,787,397.64 : x
  2. Step 2: Convert to fraction form
    22,574,921.27/31,153,801.74 = 12,787,397.64/x
  3. Step 3: Cross multiply
    22,574,921.27x = 31,153,801.74 × 12,787,397.64
  4. Step 4: Simplify right side
    22,574,921.27x = 398,376,050,799,151.12
  5. Step 5: Solve for x
    x = 398,376,050,799,151.12/22,574,921.27
  6. Step 6: Final answer
    x = 17,646,841.21

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Double scale
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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.