Home / 10,381,995.10-15,564,561.73-4,321,263.42

Finding the Fourth Proportional to 10,381,995.10, 15,564,561.73 and 4,321,263.42

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Solution

The fourth proportional to 10,381,995.10, 15,564,561.73 and 4,321,263.42 is: 6,478,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381,995.10 : 15,564,561.73 = 4,321,263.42 : x
  2. Step 2: Convert to fraction form
    10,381,995.10/15,564,561.73 = 4,321,263.42/x
  3. Step 3: Cross multiply
    10,381,995.10x = 15,564,561.73 × 4,321,263.42
  4. Step 4: Simplify right side
    10,381,995.10x = 67,258,571,252,180.91
  5. Step 5: Solve for x
    x = 67,258,571,252,180.91/10,381,995.10
  6. Step 6: Final answer
    x = 6,478,385.96

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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.