Home / 13,369,964.40-18,450,451.80-7,258,235.76

Finding the Fourth Proportional to 13,369,964.40, 18,450,451.80 and 7,258,235.76

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Solution

The fourth proportional to 13,369,964.40, 18,450,451.80 and 7,258,235.76 is: 10,016,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,964.40 : 18,450,451.80 = 7,258,235.76 : x
  2. Step 2: Convert to fraction form
    13,369,964.40/18,450,451.80 = 7,258,235.76/x
  3. Step 3: Cross multiply
    13,369,964.40x = 18,450,451.80 × 7,258,235.76
  4. Step 4: Simplify right side
    13,369,964.40x = 133,917,729,042,916.38
  5. Step 5: Solve for x
    x = 133,917,729,042,916.38/13,369,964.40
  6. Step 6: Final answer
    x = 10,016,311.56

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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.