Home / 31,043,753.76-42,841,705.68-17,292,727.20

Finding the Fourth Proportional to 31,043,753.76, 42,841,705.68 and 17,292,727.20

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Solution

The fourth proportional to 31,043,753.76, 42,841,705.68 and 17,292,727.20 is: 23,864,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,043,753.76 : 42,841,705.68 = 17,292,727.20 : x
  2. Step 2: Convert to fraction form
    31,043,753.76/42,841,705.68 = 17,292,727.20/x
  3. Step 3: Cross multiply
    31,043,753.76x = 42,841,705.68 × 17,292,727.20
  4. Step 4: Simplify right side
    31,043,753.76x = 740,849,929,106,930.50
  5. Step 5: Solve for x
    x = 740,849,929,106,930.50/31,043,753.76
  6. Step 6: Final answer
    x = 23,864,701.89

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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.