Home / 6,617,419.20-9,928,461.60-6,384,139.20

Finding the Fourth Proportional to 6,617,419.20, 9,928,461.60 and 6,384,139.20

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Solution

The fourth proportional to 6,617,419.20, 9,928,461.60 and 6,384,139.20 is: 9,578,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617,419.20 : 9,928,461.60 = 6,384,139.20 : x
  2. Step 2: Convert to fraction form
    6,617,419.20/9,928,461.60 = 6,384,139.20/x
  3. Step 3: Cross multiply
    6,617,419.20x = 9,928,461.60 × 6,384,139.20
  4. Step 4: Simplify right side
    6,617,419.20x = 63,384,680,896,254.72
  5. Step 5: Solve for x
    x = 63,384,680,896,254.72/6,617,419.20
  6. Step 6: Final answer
    x = 9,578,459.36

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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.