Home / 28,815,472.61-39,766,300.67-15,762,432.81

Finding the Fourth Proportional to 28,815,472.61, 39,766,300.67 and 15,762,432.81

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Solution

The fourth proportional to 28,815,472.61, 39,766,300.67 and 15,762,432.81 is: 21,752,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815,472.61 : 39,766,300.67 = 15,762,432.81 : x
  2. Step 2: Convert to fraction form
    28,815,472.61/39,766,300.67 = 15,762,432.81/x
  3. Step 3: Cross multiply
    28,815,472.61x = 39,766,300.67 × 15,762,432.81
  4. Step 4: Simplify right side
    28,815,472.61x = 626,813,642,601,662.75
  5. Step 5: Solve for x
    x = 626,813,642,601,662.75/28,815,472.61
  6. Step 6: Final answer
    x = 21,752,676.11

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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.