Home / 25,722,666.24-38,602,661.12-20,734,206.72

Finding the Fourth Proportional to 25,722,666.24, 38,602,661.12 and 20,734,206.72

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Solution

The fourth proportional to 25,722,666.24, 38,602,661.12 and 20,734,206.72 is: 31,116,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722,666.24 : 38,602,661.12 = 20,734,206.72 : x
  2. Step 2: Convert to fraction form
    25,722,666.24/38,602,661.12 = 20,734,206.72/x
  3. Step 3: Cross multiply
    25,722,666.24x = 38,602,661.12 × 20,734,206.72
  4. Step 4: Simplify right side
    25,722,666.24x = 800,395,555,604,186.62
  5. Step 5: Solve for x
    x = 800,395,555,604,186.62/25,722,666.24
  6. Step 6: Final answer
    x = 31,116,352.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.