Home / 22,703,219.65-31,348,294.55-18,278,891.25

Finding the Fourth Proportional to 22,703,219.65, 31,348,294.55 and 18,278,891.25

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Solution

The fourth proportional to 22,703,219.65, 31,348,294.55 and 18,278,891.25 is: 25,239,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703,219.65 : 31,348,294.55 = 18,278,891.25 : x
  2. Step 2: Convert to fraction form
    22,703,219.65/31,348,294.55 = 18,278,891.25/x
  3. Step 3: Cross multiply
    22,703,219.65x = 31,348,294.55 × 18,278,891.25
  4. Step 4: Simplify right side
    22,703,219.65x = 573,012,066,952,417.75
  5. Step 5: Solve for x
    x = 573,012,066,952,417.75/22,703,219.65
  6. Step 6: Final answer
    x = 25,239,242.53

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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.