Home / 20,931,568.76-31,397,353.44-6,555,761.66

Finding the Fourth Proportional to 20,931,568.76, 31,397,353.44 and 6,555,761.66

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Solution

The fourth proportional to 20,931,568.76, 31,397,353.44 and 6,555,761.66 is: 9,833,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,931,568.76 : 31,397,353.44 = 6,555,761.66 : x
  2. Step 2: Convert to fraction form
    20,931,568.76/31,397,353.44 = 6,555,761.66/x
  3. Step 3: Cross multiply
    20,931,568.76x = 31,397,353.44 × 6,555,761.66
  4. Step 4: Simplify right side
    20,931,568.76x = 205,833,565,907,421.12
  5. Step 5: Solve for x
    x = 205,833,565,907,421.12/20,931,568.76
  6. Step 6: Final answer
    x = 9,833,642.58

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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.