Home / 23,172,677.19-31,979,385.50-12,859,485.03

Finding the Fourth Proportional to 23,172,677.19, 31,979,385.50 and 12,859,485.03

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Solution

The fourth proportional to 23,172,677.19, 31,979,385.50 and 12,859,485.03 is: 17,746,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172,677.19 : 31,979,385.50 = 12,859,485.03 : x
  2. Step 2: Convert to fraction form
    23,172,677.19/31,979,385.50 = 12,859,485.03/x
  3. Step 3: Cross multiply
    23,172,677.19x = 31,979,385.50 × 12,859,485.03
  4. Step 4: Simplify right side
    23,172,677.19x = 411,238,429,041,551.62
  5. Step 5: Solve for x
    x = 411,238,429,041,551.62/23,172,677.19
  6. Step 6: Final answer
    x = 17,746,694.77

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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.