Home / 17,391,989.80-26,087,984.70-15,478,802.20

Finding the Fourth Proportional to 17,391,989.80, 26,087,984.70 and 15,478,802.20

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Solution

The fourth proportional to 17,391,989.80, 26,087,984.70 and 15,478,802.20 is: 23,218,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391,989.80 : 26,087,984.70 = 15,478,802.20 : x
  2. Step 2: Convert to fraction form
    17,391,989.80/26,087,984.70 = 15,478,802.20/x
  3. Step 3: Cross multiply
    17,391,989.80x = 26,087,984.70 × 15,478,802.20
  4. Step 4: Simplify right side
    17,391,989.80x = 403,810,754,967,926.31
  5. Step 5: Solve for x
    x = 403,810,754,967,926.31/17,391,989.80
  6. Step 6: Final answer
    x = 23,218,203.30

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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.