Home / 12,371,391.26-17,071,699.52-6,864,417.12

Finding the Fourth Proportional to 12,371,391.26, 17,071,699.52 and 6,864,417.12

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Solution

The fourth proportional to 12,371,391.26, 17,071,699.52 and 6,864,417.12 is: 9,472,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,391.26 : 17,071,699.52 = 6,864,417.12 : x
  2. Step 2: Convert to fraction form
    12,371,391.26/17,071,699.52 = 6,864,417.12/x
  3. Step 3: Cross multiply
    12,371,391.26x = 17,071,699.52 × 6,864,417.12
  4. Step 4: Simplify right side
    12,371,391.26x = 117,187,266,452,583.78
  5. Step 5: Solve for x
    x = 117,187,266,452,583.78/12,371,391.26
  6. Step 6: Final answer
    x = 9,472,440.41

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1.5x scale

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.