Home / 12,948,511.29-17,868,947.36-7,147,294.26

Finding the Fourth Proportional to 12,948,511.29, 17,868,947.36 and 7,147,294.26

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Solution

The fourth proportional to 12,948,511.29, 17,868,947.36 and 7,147,294.26 is: 9,863,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,511.29 : 17,868,947.36 = 7,147,294.26 : x
  2. Step 2: Convert to fraction form
    12,948,511.29/17,868,947.36 = 7,147,294.26/x
  3. Step 3: Cross multiply
    12,948,511.29x = 17,868,947.36 × 7,147,294.26
  4. Step 4: Simplify right side
    12,948,511.29x = 127,714,624,862,633.69
  5. Step 5: Solve for x
    x = 127,714,624,862,633.69/12,948,511.29
  6. Step 6: Final answer
    x = 9,863,267.06

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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.