Home / 8,668,725.30-11,970,882.27-6,489,485.10

Finding the Fourth Proportional to 8,668,725.30, 11,970,882.27 and 6,489,485.10

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Solution

The fourth proportional to 8,668,725.30, 11,970,882.27 and 6,489,485.10 is: 8,961,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,725.30 : 11,970,882.27 = 6,489,485.10 : x
  2. Step 2: Convert to fraction form
    8,668,725.30/11,970,882.27 = 6,489,485.10/x
  3. Step 3: Cross multiply
    8,668,725.30x = 11,970,882.27 × 6,489,485.10
  4. Step 4: Simplify right side
    8,668,725.30x = 77,684,862,125,019.17
  5. Step 5: Solve for x
    x = 77,684,862,125,019.17/8,668,725.30
  6. Step 6: Final answer
    x = 8,961,509.27

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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.