Home / 28,033,793.20-42,050,689.80-7,563,473.20

Finding the Fourth Proportional to 28,033,793.20, 42,050,689.80 and 7,563,473.20

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Solution

The fourth proportional to 28,033,793.20, 42,050,689.80 and 7,563,473.20 is: 11,345,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033,793.20 : 42,050,689.80 = 7,563,473.20 : x
  2. Step 2: Convert to fraction form
    28,033,793.20/42,050,689.80 = 7,563,473.20/x
  3. Step 3: Cross multiply
    28,033,793.20x = 42,050,689.80 × 7,563,473.20
  4. Step 4: Simplify right side
    28,033,793.20x = 318,049,265,343,813.38
  5. Step 5: Solve for x
    x = 318,049,265,343,813.38/28,033,793.20
  6. Step 6: Final answer
    x = 11,345,209.80

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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.