Home / 47,872,407.20-71,787,615.60-19,108,983.20

Finding the Fourth Proportional to 47,872,407.20, 71,787,615.60 and 19,108,983.20

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Solution

The fourth proportional to 47,872,407.20, 71,787,615.60 and 19,108,983.20 is: 28,655,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,407.20 : 71,787,615.60 = 19,108,983.20 : x
  2. Step 2: Convert to fraction form
    47,872,407.20/71,787,615.60 = 19,108,983.20/x
  3. Step 3: Cross multiply
    47,872,407.20x = 71,787,615.60 × 19,108,983.20
  4. Step 4: Simplify right side
    47,872,407.20x = 1,371,788,340,468,457.75
  5. Step 5: Solve for x
    x = 1,371,788,340,468,457.75/47,872,407.20
  6. Step 6: Final answer
    x = 28,655,094.25

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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.