Home / 28,348,474.29-42,528,913-9,181,168.89

Finding the Fourth Proportional to 28,348,474.29, 42,528,913 and 9,181,168.89

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Solution

The fourth proportional to 28,348,474.29, 42,528,913 and 9,181,168.89 is: 13,773,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,474.29 : 42,528,913 = 9,181,168.89 : x
  2. Step 2: Convert to fraction form
    28,348,474.29/42,528,913 = 9,181,168.89/x
  3. Step 3: Cross multiply
    28,348,474.29x = 42,528,913 × 9,181,168.89
  4. Step 4: Simplify right side
    28,348,474.29x = 390,465,132,961,116.62
  5. Step 5: Solve for x
    x = 390,465,132,961,116.62/28,348,474.29
  6. Step 6: Final answer
    x = 13,773,761.82

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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.