Home / 10,316,490.90-15,474,736.35-8,899,314.90

Finding the Fourth Proportional to 10,316,490.90, 15,474,736.35 and 8,899,314.90

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Solution

The fourth proportional to 10,316,490.90, 15,474,736.35 and 8,899,314.90 is: 13,348,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316,490.90 : 15,474,736.35 = 8,899,314.90 : x
  2. Step 2: Convert to fraction form
    10,316,490.90/15,474,736.35 = 8,899,314.90/x
  3. Step 3: Cross multiply
    10,316,490.90x = 15,474,736.35 × 8,899,314.90
  4. Step 4: Simplify right side
    10,316,490.90x = 137,714,551,773,126.62
  5. Step 5: Solve for x
    x = 137,714,551,773,126.62/10,316,490.90
  6. Step 6: Final answer
    x = 13,348,972.35

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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.