Home / 11,685,008.80-17,496,020.40-8,472,743.20

Finding the Fourth Proportional to 11,685,008.80, 17,496,020.40 and 8,472,743.20

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Solution

The fourth proportional to 11,685,008.80, 17,496,020.40 and 8,472,743.20 is: 12,686,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685,008.80 : 17,496,020.40 = 8,472,743.20 : x
  2. Step 2: Convert to fraction form
    11,685,008.80/17,496,020.40 = 8,472,743.20/x
  3. Step 3: Cross multiply
    11,685,008.80x = 17,496,020.40 × 8,472,743.20
  4. Step 4: Simplify right side
    11,685,008.80x = 148,239,287,871,161.25
  5. Step 5: Solve for x
    x = 148,239,287,871,161.25/11,685,008.80
  6. Step 6: Final answer
    x = 12,686,279.52

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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.