Home / 28,063,486.80-42,063,737.40-15,938,758.80

Finding the Fourth Proportional to 28,063,486.80, 42,063,737.40 and 15,938,758.80

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Solution

The fourth proportional to 28,063,486.80, 42,063,737.40 and 15,938,758.80 is: 23,890,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063,486.80 : 42,063,737.40 = 15,938,758.80 : x
  2. Step 2: Convert to fraction form
    28,063,486.80/42,063,737.40 = 15,938,758.80/x
  3. Step 3: Cross multiply
    28,063,486.80x = 42,063,737.40 × 15,938,758.80
  4. Step 4: Simplify right side
    28,063,486.80x = 670,443,764,645,139.12
  5. Step 5: Solve for x
    x = 670,443,764,645,139.12/28,063,486.80
  6. Step 6: Final answer
    x = 23,890,251.75

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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.