Home / 28,348,503.17-42,528,956.31-9,181,197.77

Finding the Fourth Proportional to 28,348,503.17, 42,528,956.31 and 9,181,197.77

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Solution

The fourth proportional to 28,348,503.17, 42,528,956.31 and 9,181,197.77 is: 13,773,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,503.17 : 42,528,956.31 = 9,181,197.77 : x
  2. Step 2: Convert to fraction form
    28,348,503.17/42,528,956.31 = 9,181,197.77/x
  3. Step 3: Cross multiply
    28,348,503.17x = 42,528,956.31 × 9,181,197.77
  4. Step 4: Simplify right side
    28,348,503.17x = 390,466,758,621,154.69
  5. Step 5: Solve for x
    x = 390,466,758,621,154.69/28,348,503.17
  6. Step 6: Final answer
    x = 13,773,805.14

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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.