Home / 23,155,110.53-31,956,015-12,845,155.13

Finding the Fourth Proportional to 23,155,110.53, 31,956,015 and 12,845,155.13

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Solution

The fourth proportional to 23,155,110.53, 31,956,015 and 12,845,155.13 is: 17,727,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155,110.53 : 31,956,015 = 12,845,155.13 : x
  2. Step 2: Convert to fraction form
    23,155,110.53/31,956,015 = 12,845,155.13/x
  3. Step 3: Cross multiply
    23,155,110.53x = 31,956,015 × 12,845,155.13
  4. Step 4: Simplify right side
    23,155,110.53x = 410,479,969,851,826.88
  5. Step 5: Solve for x
    x = 410,479,969,851,826.88/23,155,110.53
  6. Step 6: Final answer
    x = 17,727,402.74

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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.