Home / 12,710,389.68-17,536,306.68-7,884,293.04

Finding the Fourth Proportional to 12,710,389.68, 17,536,306.68 and 7,884,293.04

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Solution

The fourth proportional to 12,710,389.68, 17,536,306.68 and 7,884,293.04 is: 10,877,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,389.68 : 17,536,306.68 = 7,884,293.04 : x
  2. Step 2: Convert to fraction form
    12,710,389.68/17,536,306.68 = 7,884,293.04/x
  3. Step 3: Cross multiply
    12,710,389.68x = 17,536,306.68 × 7,884,293.04
  4. Step 4: Simplify right side
    12,710,389.68x = 138,261,380,704,429.50
  5. Step 5: Solve for x
    x = 138,261,380,704,429.50/12,710,389.68
  6. Step 6: Final answer
    x = 10,877,823.91

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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.