Home / 21,505,696.90-32,258,545.35-9,538,432.90

Finding the Fourth Proportional to 21,505,696.90, 32,258,545.35 and 9,538,432.90

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Solution

The fourth proportional to 21,505,696.90, 32,258,545.35 and 9,538,432.90 is: 14,307,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,696.90 : 32,258,545.35 = 9,538,432.90 : x
  2. Step 2: Convert to fraction form
    21,505,696.90/32,258,545.35 = 9,538,432.90/x
  3. Step 3: Cross multiply
    21,505,696.90x = 32,258,545.35 × 9,538,432.90
  4. Step 4: Simplify right side
    21,505,696.90x = 307,695,970,272,582.06
  5. Step 5: Solve for x
    x = 307,695,970,272,582.06/21,505,696.90
  6. Step 6: Final answer
    x = 14,307,649.35

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Double scale
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Similar ratio
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1.5x scale

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.