Home / 13,520,700.28-20,266,878.65-4,995,599.32

Finding the Fourth Proportional to 13,520,700.28, 20,266,878.65 and 4,995,599.32

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Solution

The fourth proportional to 13,520,700.28, 20,266,878.65 and 4,995,599.32 is: 7,488,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,700.28 : 20,266,878.65 = 4,995,599.32 : x
  2. Step 2: Convert to fraction form
    13,520,700.28/20,266,878.65 = 4,995,599.32/x
  3. Step 3: Cross multiply
    13,520,700.28x = 20,266,878.65 × 4,995,599.32
  4. Step 4: Simplify right side
    13,520,700.28x = 101,245,205,130,964.80
  5. Step 5: Solve for x
    x = 101,245,205,130,964.80/13,520,700.28
  6. Step 6: Final answer
    x = 7,488,162.82

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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.