Home / 19,852,022.70-29,778,034.05-18,088,425.90

Finding the Fourth Proportional to 19,852,022.70, 29,778,034.05 and 18,088,425.90

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Solution

The fourth proportional to 19,852,022.70, 29,778,034.05 and 18,088,425.90 is: 27,132,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852,022.70 : 29,778,034.05 = 18,088,425.90 : x
  2. Step 2: Convert to fraction form
    19,852,022.70/29,778,034.05 = 18,088,425.90/x
  3. Step 3: Cross multiply
    19,852,022.70x = 29,778,034.05 × 18,088,425.90
  4. Step 4: Simplify right side
    19,852,022.70x = 538,637,762,361,101.88
  5. Step 5: Solve for x
    x = 538,637,762,361,101.88/19,852,022.70
  6. Step 6: Final answer
    x = 27,132,638.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.