Home / 18,700,803.84-28,055,016.96-8,460,744.96

Finding the Fourth Proportional to 18,700,803.84, 28,055,016.96 and 8,460,744.96

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Solution

The fourth proportional to 18,700,803.84, 28,055,016.96 and 8,460,744.96 is: 12,692,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,803.84 : 28,055,016.96 = 8,460,744.96 : x
  2. Step 2: Convert to fraction form
    18,700,803.84/28,055,016.96 = 8,460,744.96/x
  3. Step 3: Cross multiply
    18,700,803.84x = 28,055,016.96 × 8,460,744.96
  4. Step 4: Simplify right side
    18,700,803.84x = 237,366,343,347,034.56
  5. Step 5: Solve for x
    x = 237,366,343,347,034.56/18,700,803.84
  6. Step 6: Final answer
    x = 12,692,841.73

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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.