Home / 28,655,745.20-42,983,617.80-9,744,513.20

Finding the Fourth Proportional to 28,655,745.20, 42,983,617.80 and 9,744,513.20

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Solution

The fourth proportional to 28,655,745.20, 42,983,617.80 and 9,744,513.20 is: 14,616,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655,745.20 : 42,983,617.80 = 9,744,513.20 : x
  2. Step 2: Convert to fraction form
    28,655,745.20/42,983,617.80 = 9,744,513.20/x
  3. Step 3: Cross multiply
    28,655,745.20x = 42,983,617.80 × 9,744,513.20
  4. Step 4: Simplify right side
    28,655,745.20x = 418,854,431,035,854.88
  5. Step 5: Solve for x
    x = 418,854,431,035,854.88/28,655,745.20
  6. Step 6: Final answer
    x = 14,616,769.80

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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.