Home / 28,472,180.80-42,708,271.20-7,197,044.80

Finding the Fourth Proportional to 28,472,180.80, 42,708,271.20 and 7,197,044.80

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Solution

The fourth proportional to 28,472,180.80, 42,708,271.20 and 7,197,044.80 is: 10,795,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472,180.80 : 42,708,271.20 = 7,197,044.80 : x
  2. Step 2: Convert to fraction form
    28,472,180.80/42,708,271.20 = 7,197,044.80/x
  3. Step 3: Cross multiply
    28,472,180.80x = 42,708,271.20 × 7,197,044.80
  4. Step 4: Simplify right side
    28,472,180.80x = 307,373,341,156,949.75
  5. Step 5: Solve for x
    x = 307,373,341,156,949.75/28,472,180.80
  6. Step 6: Final answer
    x = 10,795,567.20

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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.