Home / 12,371,397.90-17,071,708.68-6,864,423.77

Finding the Fourth Proportional to 12,371,397.90, 17,071,708.68 and 6,864,423.77

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Solution

The fourth proportional to 12,371,397.90, 17,071,708.68 and 6,864,423.77 is: 9,472,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,397.90 : 17,071,708.68 = 6,864,423.77 : x
  2. Step 2: Convert to fraction form
    12,371,397.90/17,071,708.68 = 6,864,423.77/x
  3. Step 3: Cross multiply
    12,371,397.90x = 17,071,708.68 × 6,864,423.77
  4. Step 4: Simplify right side
    12,371,397.90x = 117,187,442,772,148.77
  5. Step 5: Solve for x
    x = 117,187,442,772,148.77/12,371,397.90
  6. Step 6: Final answer
    x = 9,472,449.57

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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.