Home / 13,386,880.38-18,473,374.71-7,275,177.66

Finding the Fourth Proportional to 13,386,880.38, 18,473,374.71 and 7,275,177.66

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Solution

The fourth proportional to 13,386,880.38, 18,473,374.71 and 7,275,177.66 is: 10,039,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386,880.38 : 18,473,374.71 = 7,275,177.66 : x
  2. Step 2: Convert to fraction form
    13,386,880.38/18,473,374.71 = 7,275,177.66/x
  3. Step 3: Cross multiply
    13,386,880.38x = 18,473,374.71 × 7,275,177.66
  4. Step 4: Simplify right side
    13,386,880.38x = 134,397,082,995,000.98
  5. Step 5: Solve for x
    x = 134,397,082,995,000.98/13,386,880.38
  6. Step 6: Final answer
    x = 10,039,462.46

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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.