Home / 23,169,134.29-31,973,405.40-12,857,516.77

Finding the Fourth Proportional to 23,169,134.29, 31,973,405.40 and 12,857,516.77

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Solution

The fourth proportional to 23,169,134.29, 31,973,405.40 and 12,857,516.77 is: 17,743,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169,134.29 : 31,973,405.40 = 12,857,516.77 : x
  2. Step 2: Convert to fraction form
    23,169,134.29/31,973,405.40 = 12,857,516.77/x
  3. Step 3: Cross multiply
    23,169,134.29x = 31,973,405.40 × 12,857,516.77
  4. Step 4: Simplify right side
    23,169,134.29x = 411,098,596,124,508.50
  5. Step 5: Solve for x
    x = 411,098,596,124,508.50/23,169,134.29
  6. Step 6: Final answer
    x = 17,743,373.19

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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.