Home / 12,952,385.52-17,857,677.08-10,620,687.12

Finding the Fourth Proportional to 12,952,385.52, 17,857,677.08 and 10,620,687.12

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Solution

The fourth proportional to 12,952,385.52, 17,857,677.08 and 10,620,687.12 is: 14,642,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,385.52 : 17,857,677.08 = 10,620,687.12 : x
  2. Step 2: Convert to fraction form
    12,952,385.52/17,857,677.08 = 10,620,687.12/x
  3. Step 3: Cross multiply
    12,952,385.52x = 17,857,677.08 × 10,620,687.12
  4. Step 4: Simplify right side
    12,952,385.52x = 189,660,800,956,675.19
  5. Step 5: Solve for x
    x = 189,660,800,956,675.19/12,952,385.52
  6. Step 6: Final answer
    x = 14,642,924.32

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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.