Home / 28,341,885.77-42,519,575.23-9,172,642.85

Finding the Fourth Proportional to 28,341,885.77, 42,519,575.23 and 9,172,642.85

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Solution

The fourth proportional to 28,341,885.77, 42,519,575.23 and 9,172,642.85 is: 13,761,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341,885.77 : 42,519,575.23 = 9,172,642.85 : x
  2. Step 2: Convert to fraction form
    28,341,885.77/42,519,575.23 = 9,172,642.85/x
  3. Step 3: Cross multiply
    28,341,885.77x = 42,519,575.23 × 9,172,642.85
  4. Step 4: Simplify right side
    28,341,885.77x = 390,016,877,881,588.12
  5. Step 5: Solve for x
    x = 390,016,877,881,588.12/28,341,885.77
  6. Step 6: Final answer
    x = 13,761,147.76

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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.