Home / 17,320,625.80-25,980,938.70-13,289,547.40

Finding the Fourth Proportional to 17,320,625.80, 25,980,938.70 and 13,289,547.40

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Solution

The fourth proportional to 17,320,625.80, 25,980,938.70 and 13,289,547.40 is: 19,934,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320,625.80 : 25,980,938.70 = 13,289,547.40 : x
  2. Step 2: Convert to fraction form
    17,320,625.80/25,980,938.70 = 13,289,547.40/x
  3. Step 3: Cross multiply
    17,320,625.80x = 25,980,938.70 × 13,289,547.40
  4. Step 4: Simplify right side
    17,320,625.80x = 345,274,916,350,144.38
  5. Step 5: Solve for x
    x = 345,274,916,350,144.38/17,320,625.80
  6. Step 6: Final answer
    x = 19,934,321.10

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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.