Home / 15,565,309.40-23,347,964.10-8,390,855.90

Finding the Fourth Proportional to 15,565,309.40, 23,347,964.10 and 8,390,855.90

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Solution

The fourth proportional to 15,565,309.40, 23,347,964.10 and 8,390,855.90 is: 12,586,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,309.40 : 23,347,964.10 = 8,390,855.90 : x
  2. Step 2: Convert to fraction form
    15,565,309.40/23,347,964.10 = 8,390,855.90/x
  3. Step 3: Cross multiply
    15,565,309.40x = 23,347,964.10 × 8,390,855.90
  4. Step 4: Simplify right side
    15,565,309.40x = 195,909,402,321,473.22
  5. Step 5: Solve for x
    x = 195,909,402,321,473.22/15,565,309.40
  6. Step 6: Final answer
    x = 12,586,283.85

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.