Home / 15,034,047.27-20,746,998.54-8,158,529.31

Finding the Fourth Proportional to 15,034,047.27, 20,746,998.54 and 8,158,529.31

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Solution

The fourth proportional to 15,034,047.27, 20,746,998.54 and 8,158,529.31 is: 11,258,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,047.27 : 20,746,998.54 = 8,158,529.31 : x
  2. Step 2: Convert to fraction form
    15,034,047.27/20,746,998.54 = 8,158,529.31/x
  3. Step 3: Cross multiply
    15,034,047.27x = 20,746,998.54 × 8,158,529.31
  4. Step 4: Simplify right side
    15,034,047.27x = 169,264,995,683,117.19
  5. Step 5: Solve for x
    x = 169,264,995,683,117.19/15,034,047.27
  6. Step 6: Final answer
    x = 11,258,777.67

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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.