Home / 6,600,428.28-9,900,650.16-1,808,158.68

Finding the Fourth Proportional to 6,600,428.28, 9,900,650.16 and 1,808,158.68

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Solution

The fourth proportional to 6,600,428.28, 9,900,650.16 and 1,808,158.68 is: 2,712,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600,428.28 : 9,900,650.16 = 1,808,158.68 : x
  2. Step 2: Convert to fraction form
    6,600,428.28/9,900,650.16 = 1,808,158.68/x
  3. Step 3: Cross multiply
    6,600,428.28x = 9,900,650.16 × 1,808,158.68
  4. Step 4: Simplify right side
    6,600,428.28x = 17,901,946,524,447.39
  5. Step 5: Solve for x
    x = 17,901,946,524,447.39/6,600,428.28
  6. Step 6: Final answer
    x = 2,712,240.14

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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.