Home / 20,866,907.20-31,273,419.66-9,343,937.74

Finding the Fourth Proportional to 20,866,907.20, 31,273,419.66 and 9,343,937.74

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Solution

The fourth proportional to 20,866,907.20, 31,273,419.66 and 9,343,937.74 is: 14,003,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,866,907.20 : 31,273,419.66 = 9,343,937.74 : x
  2. Step 2: Convert to fraction form
    20,866,907.20/31,273,419.66 = 9,343,937.74/x
  3. Step 3: Cross multiply
    20,866,907.20x = 31,273,419.66 × 9,343,937.74
  4. Step 4: Simplify right side
    20,866,907.20x = 292,216,886,219,932
  5. Step 5: Solve for x
    x = 292,216,886,219,932/20,866,907.20
  6. Step 6: Final answer
    x = 14,003,842.71

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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.