Home / 12,371,393.26-17,071,702.28-6,864,419.12

Finding the Fourth Proportional to 12,371,393.26, 17,071,702.28 and 6,864,419.12

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Solution

The fourth proportional to 12,371,393.26, 17,071,702.28 and 6,864,419.12 is: 9,472,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,393.26 : 17,071,702.28 = 6,864,419.12 : x
  2. Step 2: Convert to fraction form
    12,371,393.26/17,071,702.28 = 6,864,419.12/x
  3. Step 3: Cross multiply
    12,371,393.26x = 17,071,702.28 × 6,864,419.12
  4. Step 4: Simplify right side
    12,371,393.26x = 117,187,319,541,779.61
  5. Step 5: Solve for x
    x = 117,187,319,541,779.61/12,371,393.26
  6. Step 6: Final answer
    x = 9,472,443.17

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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.