Home / 28,348,473.17-42,528,911.31-9,181,167.77

Finding the Fourth Proportional to 28,348,473.17, 42,528,911.31 and 9,181,167.77

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Solution

The fourth proportional to 28,348,473.17, 42,528,911.31 and 9,181,167.77 is: 13,773,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,473.17 : 42,528,911.31 = 9,181,167.77 : x
  2. Step 2: Convert to fraction form
    28,348,473.17/42,528,911.31 = 9,181,167.77/x
  3. Step 3: Cross multiply
    28,348,473.17x = 42,528,911.31 × 9,181,167.77
  4. Step 4: Simplify right side
    28,348,473.17x = 390,465,069,599,916
  5. Step 5: Solve for x
    x = 390,465,069,599,916/28,348,473.17
  6. Step 6: Final answer
    x = 13,773,760.14

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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.