Home / 39,286,116.69-54,210,694.92-22,771,421.55

Finding the Fourth Proportional to 39,286,116.69, 54,210,694.92 and 22,771,421.55

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Solution

The fourth proportional to 39,286,116.69, 54,210,694.92 and 22,771,421.55 is: 31,422,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,286,116.69 : 54,210,694.92 = 22,771,421.55 : x
  2. Step 2: Convert to fraction form
    39,286,116.69/54,210,694.92 = 22,771,421.55/x
  3. Step 3: Cross multiply
    39,286,116.69x = 54,210,694.92 × 22,771,421.55
  4. Step 4: Simplify right side
    39,286,116.69x = 1,234,454,586,541,763.50
  5. Step 5: Solve for x
    x = 1,234,454,586,541,763.50/39,286,116.69
  6. Step 6: Final answer
    x = 31,422,158.53

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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.