Home / 19,964,513.80-29,934,960.90-10,398,575.80

Finding the Fourth Proportional to 19,964,513.80, 29,934,960.90 and 10,398,575.80

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Solution

The fourth proportional to 19,964,513.80, 29,934,960.90 and 10,398,575.80 is: 15,591,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,513.80 : 29,934,960.90 = 10,398,575.80 : x
  2. Step 2: Convert to fraction form
    19,964,513.80/29,934,960.90 = 10,398,575.80/x
  3. Step 3: Cross multiply
    19,964,513.80x = 29,934,960.90 × 10,398,575.80
  4. Step 4: Simplify right side
    19,964,513.80x = 311,280,959,988,686.25
  5. Step 5: Solve for x
    x = 311,280,959,988,686.25/19,964,513.80
  6. Step 6: Final answer
    x = 15,591,712.53

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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.