Home / 28,361,068.96-42,532,679.76-9,187,377.52

Finding the Fourth Proportional to 28,361,068.96, 42,532,679.76 and 9,187,377.52

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Solution

The fourth proportional to 28,361,068.96, 42,532,679.76 and 9,187,377.52 is: 13,778,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,068.96 : 42,532,679.76 = 9,187,377.52 : x
  2. Step 2: Convert to fraction form
    28,361,068.96/42,532,679.76 = 9,187,377.52/x
  3. Step 3: Cross multiply
    28,361,068.96x = 42,532,679.76 × 9,187,377.52
  4. Step 4: Simplify right side
    28,361,068.96x = 390,763,785,892,382.94
  5. Step 5: Solve for x
    x = 390,763,785,892,382.94/28,361,068.96
  6. Step 6: Final answer
    x = 13,778,175.51

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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.