Home / 25,337,644.80-38,009,456.51-18,988,253.45

Finding the Fourth Proportional to 25,337,644.80, 38,009,456.51 and 18,988,253.45

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Solution

The fourth proportional to 25,337,644.80, 38,009,456.51 and 18,988,253.45 is: 28,484,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337,644.80 : 38,009,456.51 = 18,988,253.45 : x
  2. Step 2: Convert to fraction form
    25,337,644.80/38,009,456.51 = 18,988,253.45/x
  3. Step 3: Cross multiply
    25,337,644.80x = 38,009,456.51 × 18,988,253.45
  4. Step 4: Simplify right side
    25,337,644.80x = 721,733,193,708,632.38
  5. Step 5: Solve for x
    x = 721,733,193,708,632.38/25,337,644.80
  6. Step 6: Final answer
    x = 28,484,620.39

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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.