Home / 15,034,047.60-20,746,999.31-8,158,529.73

Finding the Fourth Proportional to 15,034,047.60, 20,746,999.31 and 8,158,529.73

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Solution

The fourth proportional to 15,034,047.60, 20,746,999.31 and 8,158,529.73 is: 11,258,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,047.60 : 20,746,999.31 = 8,158,529.73 : x
  2. Step 2: Convert to fraction form
    15,034,047.60/20,746,999.31 = 8,158,529.73/x
  3. Step 3: Cross multiply
    15,034,047.60x = 20,746,999.31 × 8,158,529.73
  4. Step 4: Simplify right side
    15,034,047.60x = 169,265,010,678,924.50
  5. Step 5: Solve for x
    x = 169,265,010,678,924.50/15,034,047.60
  6. Step 6: Final answer
    x = 11,258,778.42

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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.