Home / 15,719,881.11-21,693,214.03-8,844,346.77

Finding the Fourth Proportional to 15,719,881.11, 21,693,214.03 and 8,844,346.77

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Solution

The fourth proportional to 15,719,881.11, 21,693,214.03 and 8,844,346.77 is: 12,205,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,881.11 : 21,693,214.03 = 8,844,346.77 : x
  2. Step 2: Convert to fraction form
    15,719,881.11/21,693,214.03 = 8,844,346.77/x
  3. Step 3: Cross multiply
    15,719,881.11x = 21,693,214.03 × 8,844,346.77
  4. Step 4: Simplify right side
    15,719,881.11x = 191,862,307,437,149.19
  5. Step 5: Solve for x
    x = 191,862,307,437,149.19/15,719,881.11
  6. Step 6: Final answer
    x = 12,205,073.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.