Home / 9,723,116.55-13,379,176.51-9,427,281.06

Finding the Fourth Proportional to 9,723,116.55, 13,379,176.51 and 9,427,281.06

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Solution

The fourth proportional to 9,723,116.55, 13,379,176.51 and 9,427,281.06 is: 12,972,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723,116.55 : 13,379,176.51 = 9,427,281.06 : x
  2. Step 2: Convert to fraction form
    9,723,116.55/13,379,176.51 = 9,427,281.06/x
  3. Step 3: Cross multiply
    9,723,116.55x = 13,379,176.51 × 9,427,281.06
  4. Step 4: Simplify right side
    9,723,116.55x = 126,129,257,286,830.48
  5. Step 5: Solve for x
    x = 126,129,257,286,830.48/9,723,116.55
  6. Step 6: Final answer
    x = 12,972,101.76

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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.