Home / 17,643,645.60-26,453,330.55-8,990,998.80

Finding the Fourth Proportional to 17,643,645.60, 26,453,330.55 and 8,990,998.80

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Solution

The fourth proportional to 17,643,645.60, 26,453,330.55 and 8,990,998.80 is: 13,480,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643,645.60 : 26,453,330.55 = 8,990,998.80 : x
  2. Step 2: Convert to fraction form
    17,643,645.60/26,453,330.55 = 8,990,998.80/x
  3. Step 3: Cross multiply
    17,643,645.60x = 26,453,330.55 × 8,990,998.80
  4. Step 4: Simplify right side
    17,643,645.60x = 237,841,863,231,053.38
  5. Step 5: Solve for x
    x = 237,841,863,231,053.38/17,643,645.60
  6. Step 6: Final answer
    x = 13,480,312.89

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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.