Home / 18,121,306.51-25,007,407.06-9,972,544.51

Finding the Fourth Proportional to 18,121,306.51, 25,007,407.06 and 9,972,544.51

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Solution

The fourth proportional to 18,121,306.51, 25,007,407.06 and 9,972,544.51 is: 13,762,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,306.51 : 25,007,407.06 = 9,972,544.51 : x
  2. Step 2: Convert to fraction form
    18,121,306.51/25,007,407.06 = 9,972,544.51/x
  3. Step 3: Cross multiply
    18,121,306.51x = 25,007,407.06 × 9,972,544.51
  4. Step 4: Simplify right side
    18,121,306.51x = 249,387,479,898,088.38
  5. Step 5: Solve for x
    x = 249,387,479,898,088.38/18,121,306.51
  6. Step 6: Final answer
    x = 13,762,113.66

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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.