Home / 12,520,286.16-18,787,407.16-6,762,903.76

Finding the Fourth Proportional to 12,520,286.16, 18,787,407.16 and 6,762,903.76

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Solution

The fourth proportional to 12,520,286.16, 18,787,407.16 and 6,762,903.76 is: 10,148,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520,286.16 : 18,787,407.16 = 6,762,903.76 : x
  2. Step 2: Convert to fraction form
    12,520,286.16/18,787,407.16 = 6,762,903.76/x
  3. Step 3: Cross multiply
    12,520,286.16x = 18,787,407.16 × 6,762,903.76
  4. Step 4: Simplify right side
    12,520,286.16x = 127,057,426,523,014.92
  5. Step 5: Solve for x
    x = 127,057,426,523,014.92/12,520,286.16
  6. Step 6: Final answer
    x = 10,148,124.80

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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.