Home / 13,353,033.38-18,427,963.01-7,472,617.83

Finding the Fourth Proportional to 13,353,033.38, 18,427,963.01 and 7,472,617.83

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Solution

The fourth proportional to 13,353,033.38, 18,427,963.01 and 7,472,617.83 is: 10,312,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,033.38 : 18,427,963.01 = 7,472,617.83 : x
  2. Step 2: Convert to fraction form
    13,353,033.38/18,427,963.01 = 7,472,617.83/x
  3. Step 3: Cross multiply
    13,353,033.38x = 18,427,963.01 × 7,472,617.83
  4. Step 4: Simplify right side
    13,353,033.38x = 137,705,124,921,743.38
  5. Step 5: Solve for x
    x = 137,705,124,921,743.38/13,353,033.38
  6. Step 6: Final answer
    x = 10,312,647.40

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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.