Home / 19,480,850.40-29,221,275.60-8,129,445.60

Finding the Fourth Proportional to 19,480,850.40, 29,221,275.60 and 8,129,445.60

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Solution

The fourth proportional to 19,480,850.40, 29,221,275.60 and 8,129,445.60 is: 12,194,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480,850.40 : 29,221,275.60 = 8,129,445.60 : x
  2. Step 2: Convert to fraction form
    19,480,850.40/29,221,275.60 = 8,129,445.60/x
  3. Step 3: Cross multiply
    19,480,850.40x = 29,221,275.60 × 8,129,445.60
  4. Step 4: Simplify right side
    19,480,850.40x = 237,552,770,352,807.38
  5. Step 5: Solve for x
    x = 237,552,770,352,807.38/19,480,850.40
  6. Step 6: Final answer
    x = 12,194,168.40

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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.