Home / 19,431,513.94-29,157,358.32-7,925,422.60

Finding the Fourth Proportional to 19,431,513.94, 29,157,358.32 and 7,925,422.60

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Solution

The fourth proportional to 19,431,513.94, 29,157,358.32 and 7,925,422.60 is: 11,892,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,513.94 : 29,157,358.32 = 7,925,422.60 : x
  2. Step 2: Convert to fraction form
    19,431,513.94/29,157,358.32 = 7,925,422.60/x
  3. Step 3: Cross multiply
    19,431,513.94x = 29,157,358.32 × 7,925,422.60
  4. Step 4: Simplify right side
    19,431,513.94x = 231,084,386,585,626.03
  5. Step 5: Solve for x
    x = 231,084,386,585,626.03/19,431,513.94
  6. Step 6: Final answer
    x = 11,892,248.20

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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.