Home / 6,642,906.10-9,964,359.15-4,249,453.30

Finding the Fourth Proportional to 6,642,906.10, 9,964,359.15 and 4,249,453.30

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Solution

The fourth proportional to 6,642,906.10, 9,964,359.15 and 4,249,453.30 is: 6,374,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,906.10 : 9,964,359.15 = 4,249,453.30 : x
  2. Step 2: Convert to fraction form
    6,642,906.10/9,964,359.15 = 4,249,453.30/x
  3. Step 3: Cross multiply
    6,642,906.10x = 9,964,359.15 × 4,249,453.30
  4. Step 4: Simplify right side
    6,642,906.10x = 42,343,078,872,352.70
  5. Step 5: Solve for x
    x = 42,343,078,872,352.70/6,642,906.10
  6. Step 6: Final answer
    x = 6,374,179.95

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Double scale
Find fourth proportional to 6,642,907.10, 9,964,360.65 and 4,249,454.30
Similar ratio
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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.