Home / 12,626,397.30-17,429,138.69-9,829,979.70

Finding the Fourth Proportional to 12,626,397.30, 17,429,138.69 and 9,829,979.70

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Solution

The fourth proportional to 12,626,397.30, 17,429,138.69 and 9,829,979.70 is: 13,569,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626,397.30 : 17,429,138.69 = 9,829,979.70 : x
  2. Step 2: Convert to fraction form
    12,626,397.30/17,429,138.69 = 9,829,979.70/x
  3. Step 3: Cross multiply
    12,626,397.30x = 17,429,138.69 × 9,829,979.70
  4. Step 4: Simplify right side
    12,626,397.30x = 171,328,079,511,184.59
  5. Step 5: Solve for x
    x = 171,328,079,511,184.59/12,626,397.30
  6. Step 6: Final answer
    x = 13,569,039.17

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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.