Home / 23,176,948.24-31,988,146.80-13,385,632.56

Finding the Fourth Proportional to 23,176,948.24, 31,988,146.80 and 13,385,632.56

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Solution

The fourth proportional to 23,176,948.24, 31,988,146.80 and 13,385,632.56 is: 18,474,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176,948.24 : 31,988,146.80 = 13,385,632.56 : x
  2. Step 2: Convert to fraction form
    23,176,948.24/31,988,146.80 = 13,385,632.56/x
  3. Step 3: Cross multiply
    23,176,948.24x = 31,988,146.80 × 13,385,632.56
  4. Step 4: Simplify right side
    23,176,948.24x = 428,181,579,340,139.81
  5. Step 5: Solve for x
    x = 428,181,579,340,139.81/23,176,948.24
  6. Step 6: Final answer
    x = 18,474,458.97

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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.