Home / 6,643,934.10-9,965,901.15-4,240,639.80

Finding the Fourth Proportional to 6,643,934.10, 9,965,901.15 and 4,240,639.80

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Solution

The fourth proportional to 6,643,934.10, 9,965,901.15 and 4,240,639.80 is: 6,360,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,934.10 : 9,965,901.15 = 4,240,639.80 : x
  2. Step 2: Convert to fraction form
    6,643,934.10/9,965,901.15 = 4,240,639.80/x
  3. Step 3: Cross multiply
    6,643,934.10x = 9,965,901.15 × 4,240,639.80
  4. Step 4: Simplify right side
    6,643,934.10x = 42,261,797,059,555.77
  5. Step 5: Solve for x
    x = 42,261,797,059,555.77/6,643,934.10
  6. Step 6: Final answer
    x = 6,360,959.70

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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.