Home / 12,406,358.10-18,612,059.40-4,319,964.30

Finding the Fourth Proportional to 12,406,358.10, 18,612,059.40 and 4,319,964.30

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Solution

The fourth proportional to 12,406,358.10, 18,612,059.40 and 4,319,964.30 is: 6,480,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406,358.10 : 18,612,059.40 = 4,319,964.30 : x
  2. Step 2: Convert to fraction form
    12,406,358.10/18,612,059.40 = 4,319,964.30/x
  3. Step 3: Cross multiply
    12,406,358.10x = 18,612,059.40 × 4,319,964.30
  4. Step 4: Simplify right side
    12,406,358.10x = 80,403,432,157,479.41
  5. Step 5: Solve for x
    x = 80,403,432,157,479.41/12,406,358.10
  6. Step 6: Final answer
    x = 6,480,824.71

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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.