Home / 10,168,049.60-15,244,298.40-5,122,980.80

Finding the Fourth Proportional to 10,168,049.60, 15,244,298.40 and 5,122,980.80

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Solution

The fourth proportional to 10,168,049.60, 15,244,298.40 and 5,122,980.80 is: 7,680,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168,049.60 : 15,244,298.40 = 5,122,980.80 : x
  2. Step 2: Convert to fraction form
    10,168,049.60/15,244,298.40 = 5,122,980.80/x
  3. Step 3: Cross multiply
    10,168,049.60x = 15,244,298.40 × 5,122,980.80
  4. Step 4: Simplify right side
    10,168,049.60x = 78,096,248,012,670.72
  5. Step 5: Solve for x
    x = 78,096,248,012,670.72/10,168,049.60
  6. Step 6: Final answer
    x = 7,680,553.41

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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.