Home / 15,287,923.98-21,096,697.96-8,318,628.90

Finding the Fourth Proportional to 15,287,923.98, 21,096,697.96 and 8,318,628.90

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Solution

The fourth proportional to 15,287,923.98, 21,096,697.96 and 8,318,628.90 is: 11,479,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,923.98 : 21,096,697.96 = 8,318,628.90 : x
  2. Step 2: Convert to fraction form
    15,287,923.98/21,096,697.96 = 8,318,628.90/x
  3. Step 3: Cross multiply
    15,287,923.98x = 21,096,697.96 × 8,318,628.90
  4. Step 4: Simplify right side
    15,287,923.98x = 175,495,601,344,627.06
  5. Step 5: Solve for x
    x = 175,495,601,344,627.06/15,287,923.98
  6. Step 6: Final answer
    x = 11,479,361.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.