Home / 13,887,146.25-19,159,833.15-8,996,117.58

Finding the Fourth Proportional to 13,887,146.25, 19,159,833.15 and 8,996,117.58

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Solution

The fourth proportional to 13,887,146.25, 19,159,833.15 and 8,996,117.58 is: 12,411,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,146.25 : 19,159,833.15 = 8,996,117.58 : x
  2. Step 2: Convert to fraction form
    13,887,146.25/19,159,833.15 = 8,996,117.58/x
  3. Step 3: Cross multiply
    13,887,146.25x = 19,159,833.15 × 8,996,117.58
  4. Step 4: Simplify right side
    13,887,146.25x = 172,364,111,830,581.75
  5. Step 5: Solve for x
    x = 172,364,111,830,581.75/13,887,146.25
  6. Step 6: Final answer
    x = 12,411,773.36

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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.