Home / 6,642,743.10-9,964,114.65-4,249,290.30

Finding the Fourth Proportional to 6,642,743.10, 9,964,114.65 and 4,249,290.30

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Solution

The fourth proportional to 6,642,743.10, 9,964,114.65 and 4,249,290.30 is: 6,373,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,743.10 : 9,964,114.65 = 4,249,290.30 : x
  2. Step 2: Convert to fraction form
    6,642,743.10/9,964,114.65 = 4,249,290.30/x
  3. Step 3: Cross multiply
    6,642,743.10x = 9,964,114.65 × 4,249,290.30
  4. Step 4: Simplify right side
    6,642,743.10x = 42,340,415,730,332.90
  5. Step 5: Solve for x
    x = 42,340,415,730,332.90/6,642,743.10
  6. Step 6: Final answer
    x = 6,373,935.45

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Double scale
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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.