Home / 12,199,943.08-18,300,045.90-3,680,353.36

Finding the Fourth Proportional to 12,199,943.08, 18,300,045.90 and 3,680,353.36

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Solution

The fourth proportional to 12,199,943.08, 18,300,045.90 and 3,680,353.36 is: 5,520,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,943.08 : 18,300,045.90 = 3,680,353.36 : x
  2. Step 2: Convert to fraction form
    12,199,943.08/18,300,045.90 = 3,680,353.36/x
  3. Step 3: Cross multiply
    12,199,943.08x = 18,300,045.90 × 3,680,353.36
  4. Step 4: Simplify right side
    12,199,943.08x = 67,350,635,416,219.22
  5. Step 5: Solve for x
    x = 67,350,635,416,219.22/12,199,943.08
  6. Step 6: Final answer
    x = 5,520,569.64

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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.