Home / 17,965,547.80-26,948,321.70-7,177,514.20

Finding the Fourth Proportional to 17,965,547.80, 26,948,321.70 and 7,177,514.20

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Solution

The fourth proportional to 17,965,547.80, 26,948,321.70 and 7,177,514.20 is: 10,766,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965,547.80 : 26,948,321.70 = 7,177,514.20 : x
  2. Step 2: Convert to fraction form
    17,965,547.80/26,948,321.70 = 7,177,514.20/x
  3. Step 3: Cross multiply
    17,965,547.80x = 26,948,321.70 × 7,177,514.20
  4. Step 4: Simplify right side
    17,965,547.80x = 193,421,961,667,918.12
  5. Step 5: Solve for x
    x = 193,421,961,667,918.12/17,965,547.80
  6. Step 6: Final answer
    x = 10,766,271.30

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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.