Home / 28,146,050.57-42,246,376.80-13,583,218.55

Finding the Fourth Proportional to 28,146,050.57, 42,246,376.80 and 13,583,218.55

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Solution

The fourth proportional to 28,146,050.57, 42,246,376.80 and 13,583,218.55 is: 20,388,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146,050.57 : 42,246,376.80 = 13,583,218.55 : x
  2. Step 2: Convert to fraction form
    28,146,050.57/42,246,376.80 = 13,583,218.55/x
  3. Step 3: Cross multiply
    28,146,050.57x = 42,246,376.80 × 13,583,218.55
  4. Step 4: Simplify right side
    28,146,050.57x = 573,841,769,020,049.62
  5. Step 5: Solve for x
    x = 573,841,769,020,049.62/28,146,050.57
  6. Step 6: Final answer
    x = 20,388,003.20

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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.