Home / 28,655,744.20-42,983,616.30-9,744,512.20

Finding the Fourth Proportional to 28,655,744.20, 42,983,616.30 and 9,744,512.20

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Solution

The fourth proportional to 28,655,744.20, 42,983,616.30 and 9,744,512.20 is: 14,616,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655,744.20 : 42,983,616.30 = 9,744,512.20 : x
  2. Step 2: Convert to fraction form
    28,655,744.20/42,983,616.30 = 9,744,512.20/x
  3. Step 3: Cross multiply
    28,655,744.20x = 42,983,616.30 × 9,744,512.20
  4. Step 4: Simplify right side
    28,655,744.20x = 418,854,373,435,468.81
  5. Step 5: Solve for x
    x = 418,854,373,435,468.81/28,655,744.20
  6. Step 6: Final answer
    x = 14,616,768.30

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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.