Home / 39,908,117.70-59,712,704.55-28,420,143.30

Finding the Fourth Proportional to 39,908,117.70, 59,712,704.55 and 28,420,143.30

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Solution

The fourth proportional to 39,908,117.70, 59,712,704.55 and 28,420,143.30 is: 42,523,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908,117.70 : 59,712,704.55 = 28,420,143.30 : x
  2. Step 2: Convert to fraction form
    39,908,117.70/59,712,704.55 = 28,420,143.30/x
  3. Step 3: Cross multiply
    39,908,117.70x = 59,712,704.55 × 28,420,143.30
  4. Step 4: Simplify right side
    39,908,117.70x = 1,697,043,620,141,562
  5. Step 5: Solve for x
    x = 1,697,043,620,141,562/39,908,117.70
  6. Step 6: Final answer
    x = 42,523,770.05

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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.