Home / 34,307,171.28-47,345,440.68-20,555,840.16

Finding the Fourth Proportional to 34,307,171.28, 47,345,440.68 and 20,555,840.16

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Solution

The fourth proportional to 34,307,171.28, 47,345,440.68 and 20,555,840.16 is: 28,367,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307,171.28 : 47,345,440.68 = 20,555,840.16 : x
  2. Step 2: Convert to fraction form
    34,307,171.28/47,345,440.68 = 20,555,840.16/x
  3. Step 3: Cross multiply
    34,307,171.28x = 47,345,440.68 × 20,555,840.16
  4. Step 4: Simplify right side
    34,307,171.28x = 973,225,310,922,841.75
  5. Step 5: Solve for x
    x = 973,225,310,922,841.75/34,307,171.28
  6. Step 6: Final answer
    x = 28,367,984.73

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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.