Home / 8,128,543.29-11,217,713.18-4,457,591.52

Finding the Fourth Proportional to 8,128,543.29, 11,217,713.18 and 4,457,591.52

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Solution

The fourth proportional to 8,128,543.29, 11,217,713.18 and 4,457,591.52 is: 6,151,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,543.29 : 11,217,713.18 = 4,457,591.52 : x
  2. Step 2: Convert to fraction form
    8,128,543.29/11,217,713.18 = 4,457,591.52/x
  3. Step 3: Cross multiply
    8,128,543.29x = 11,217,713.18 × 4,457,591.52
  4. Step 4: Simplify right side
    8,128,543.29x = 50,003,983,122,672.27
  5. Step 5: Solve for x
    x = 50,003,983,122,672.27/8,128,543.29
  6. Step 6: Final answer
    x = 6,151,653.67

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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.