Home / 12,988,274.76-17,925,711.36-7,480,577.64

Finding the Fourth Proportional to 12,988,274.76, 17,925,711.36 and 7,480,577.64

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Solution

The fourth proportional to 12,988,274.76, 17,925,711.36 and 7,480,577.64 is: 10,324,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,274.76 : 17,925,711.36 = 7,480,577.64 : x
  2. Step 2: Convert to fraction form
    12,988,274.76/17,925,711.36 = 7,480,577.64/x
  3. Step 3: Cross multiply
    12,988,274.76x = 17,925,711.36 × 7,480,577.64
  4. Step 4: Simplify right side
    12,988,274.76x = 134,094,675,580,709.98
  5. Step 5: Solve for x
    x = 134,094,675,580,709.98/12,988,274.76
  6. Step 6: Final answer
    x = 10,324,286.95

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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.