Home / 10,549,221.98-15,826,673.57-5,428,861.79

Finding the Fourth Proportional to 10,549,221.98, 15,826,673.57 and 5,428,861.79

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Solution

The fourth proportional to 10,549,221.98, 15,826,673.57 and 5,428,861.79 is: 8,144,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549,221.98 : 15,826,673.57 = 5,428,861.79 : x
  2. Step 2: Convert to fraction form
    10,549,221.98/15,826,673.57 = 5,428,861.79/x
  3. Step 3: Cross multiply
    10,549,221.98x = 15,826,673.57 × 5,428,861.79
  4. Step 4: Simplify right side
    10,549,221.98x = 85,920,823,300,698.22
  5. Step 5: Solve for x
    x = 85,920,823,300,698.22/10,549,221.98
  6. Step 6: Final answer
    x = 8,144,754.51

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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.