Home / 10,921,544.12-15,074,728.98-6,339,341.72

Finding the Fourth Proportional to 10,921,544.12, 15,074,728.98 and 6,339,341.72

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Solution

The fourth proportional to 10,921,544.12, 15,074,728.98 and 6,339,341.72 is: 8,750,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,544.12 : 15,074,728.98 = 6,339,341.72 : x
  2. Step 2: Convert to fraction form
    10,921,544.12/15,074,728.98 = 6,339,341.72/x
  3. Step 3: Cross multiply
    10,921,544.12x = 15,074,728.98 × 6,339,341.72
  4. Step 4: Simplify right side
    10,921,544.12x = 95,563,858,340,607.05
  5. Step 5: Solve for x
    x = 95,563,858,340,607.05/10,921,544.12
  6. Step 6: Final answer
    x = 8,750,031.80

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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.