Home / 12,567,475.72-17,343,347.70-6,986,247.56

Finding the Fourth Proportional to 12,567,475.72, 17,343,347.70 and 6,986,247.56

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Solution

The fourth proportional to 12,567,475.72, 17,343,347.70 and 6,986,247.56 is: 9,641,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567,475.72 : 17,343,347.70 = 6,986,247.56 : x
  2. Step 2: Convert to fraction form
    12,567,475.72/17,343,347.70 = 6,986,247.56/x
  3. Step 3: Cross multiply
    12,567,475.72x = 17,343,347.70 × 6,986,247.56
  4. Step 4: Simplify right side
    12,567,475.72x = 121,164,920,551,356.59
  5. Step 5: Solve for x
    x = 121,164,920,551,356.59/12,567,475.72
  6. Step 6: Final answer
    x = 9,641,150.16

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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.