Home / 28,188,445.14-42,288,966.27-9,020,352.42

Finding the Fourth Proportional to 28,188,445.14, 42,288,966.27 and 9,020,352.42

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Solution

The fourth proportional to 28,188,445.14, 42,288,966.27 and 9,020,352.42 is: 13,532,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,445.14 : 42,288,966.27 = 9,020,352.42 : x
  2. Step 2: Convert to fraction form
    28,188,445.14/42,288,966.27 = 9,020,352.42/x
  3. Step 3: Cross multiply
    28,188,445.14x = 42,288,966.27 × 9,020,352.42
  4. Step 4: Simplify right side
    28,188,445.14x = 381,461,379,232,892.88
  5. Step 5: Solve for x
    x = 381,461,379,232,892.88/28,188,445.14
  6. Step 6: Final answer
    x = 13,532,544.18

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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.