Home / 12,755,064.96-17,592,036.48-8,171,815.68

Finding the Fourth Proportional to 12,755,064.96, 17,592,036.48 and 8,171,815.68

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Solution

The fourth proportional to 12,755,064.96, 17,592,036.48 and 8,171,815.68 is: 11,270,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,064.96 : 17,592,036.48 = 8,171,815.68 : x
  2. Step 2: Convert to fraction form
    12,755,064.96/17,592,036.48 = 8,171,815.68/x
  3. Step 3: Cross multiply
    12,755,064.96x = 17,592,036.48 × 8,171,815.68
  4. Step 4: Simplify right side
    12,755,064.96x = 143,758,879,550,396
  5. Step 5: Solve for x
    x = 143,758,879,550,396/12,755,064.96
  6. Step 6: Final answer
    x = 11,270,728.92

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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.