Home / 12,246,142.10-18,376,211.55-4,678,538.90

Finding the Fourth Proportional to 12,246,142.10, 18,376,211.55 and 4,678,538.90

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Solution

The fourth proportional to 12,246,142.10, 18,376,211.55 and 4,678,538.90 is: 7,020,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246,142.10 : 18,376,211.55 = 4,678,538.90 : x
  2. Step 2: Convert to fraction form
    12,246,142.10/18,376,211.55 = 4,678,538.90/x
  3. Step 3: Cross multiply
    12,246,142.10x = 18,376,211.55 × 4,678,538.90
  4. Step 4: Simplify right side
    12,246,142.10x = 85,973,820,571,304.31
  5. Step 5: Solve for x
    x = 85,973,820,571,304.31/12,246,142.10
  6. Step 6: Final answer
    x = 7,020,482.03

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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.