Home / 15,511,002.60-23,266,503.90-13,119,518.10

Finding the Fourth Proportional to 15,511,002.60, 23,266,503.90 and 13,119,518.10

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Solution

The fourth proportional to 15,511,002.60, 23,266,503.90 and 13,119,518.10 is: 19,679,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511,002.60 : 23,266,503.90 = 13,119,518.10 : x
  2. Step 2: Convert to fraction form
    15,511,002.60/23,266,503.90 = 13,119,518.10/x
  3. Step 3: Cross multiply
    15,511,002.60x = 23,266,503.90 × 13,119,518.10
  4. Step 4: Simplify right side
    15,511,002.60x = 305,245,319,039,770.56
  5. Step 5: Solve for x
    x = 305,245,319,039,770.56/15,511,002.60
  6. Step 6: Final answer
    x = 19,679,277.15

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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.