Home / 12,457,259.28-17,189,801.64-7,229,454.48

Finding the Fourth Proportional to 12,457,259.28, 17,189,801.64 and 7,229,454.48

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Solution

The fourth proportional to 12,457,259.28, 17,189,801.64 and 7,229,454.48 is: 9,975,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,259.28 : 17,189,801.64 = 7,229,454.48 : x
  2. Step 2: Convert to fraction form
    12,457,259.28/17,189,801.64 = 7,229,454.48/x
  3. Step 3: Cross multiply
    12,457,259.28x = 17,189,801.64 × 7,229,454.48
  4. Step 4: Simplify right side
    12,457,259.28x = 124,272,888,476,609.36
  5. Step 5: Solve for x
    x = 124,272,888,476,609.36/12,457,259.28
  6. Step 6: Final answer
    x = 9,975,941.39

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.