Home / 30,687,724.92-42,348,459.36-16,749,179.76

Finding the Fourth Proportional to 30,687,724.92, 42,348,459.36 and 16,749,179.76

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Solution

The fourth proportional to 30,687,724.92, 42,348,459.36 and 16,749,179.76 is: 23,113,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687,724.92 : 42,348,459.36 = 16,749,179.76 : x
  2. Step 2: Convert to fraction form
    30,687,724.92/42,348,459.36 = 16,749,179.76/x
  3. Step 3: Cross multiply
    30,687,724.92x = 42,348,459.36 × 16,749,179.76
  4. Step 4: Simplify right side
    30,687,724.92x = 709,301,958,379,694.50
  5. Step 5: Solve for x
    x = 709,301,958,379,694.50/30,687,724.92
  6. Step 6: Final answer
    x = 23,113,540.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.