Home / 8,207,434.56-12,311,362.08-3,888,473.76

Finding the Fourth Proportional to 8,207,434.56, 12,311,362.08 and 3,888,473.76

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Solution

The fourth proportional to 8,207,434.56, 12,311,362.08 and 3,888,473.76 is: 5,832,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207,434.56 : 12,311,362.08 = 3,888,473.76 : x
  2. Step 2: Convert to fraction form
    8,207,434.56/12,311,362.08 = 3,888,473.76/x
  3. Step 3: Cross multiply
    8,207,434.56x = 12,311,362.08 × 3,888,473.76
  4. Step 4: Simplify right side
    8,207,434.56x = 47,872,408,397,939.02
  5. Step 5: Solve for x
    x = 47,872,408,397,939.02/8,207,434.56
  6. Step 6: Final answer
    x = 5,832,810.25

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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.