Home / 13,056,375.64-18,017,438.66-7,255,008.76

Finding the Fourth Proportional to 13,056,375.64, 18,017,438.66 and 7,255,008.76

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Solution

The fourth proportional to 13,056,375.64, 18,017,438.66 and 7,255,008.76 is: 10,011,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056,375.64 : 18,017,438.66 = 7,255,008.76 : x
  2. Step 2: Convert to fraction form
    13,056,375.64/18,017,438.66 = 7,255,008.76/x
  3. Step 3: Cross multiply
    13,056,375.64x = 18,017,438.66 × 7,255,008.76
  4. Step 4: Simplify right side
    13,056,375.64x = 130,716,675,311,062.66
  5. Step 5: Solve for x
    x = 130,716,675,311,062.66/13,056,375.64
  6. Step 6: Final answer
    x = 10,011,712.20

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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.