Home / 34,307,137.28-47,345,393.76-20,555,806.16

Finding the Fourth Proportional to 34,307,137.28, 47,345,393.76 and 20,555,806.16

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Solution

The fourth proportional to 34,307,137.28, 47,345,393.76 and 20,555,806.16 is: 28,367,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307,137.28 : 47,345,393.76 = 20,555,806.16 : x
  2. Step 2: Convert to fraction form
    34,307,137.28/47,345,393.76 = 20,555,806.16/x
  3. Step 3: Cross multiply
    34,307,137.28x = 47,345,393.76 × 20,555,806.16
  4. Step 4: Simplify right side
    34,307,137.28x = 973,222,736,699,433.50
  5. Step 5: Solve for x
    x = 973,222,736,699,433.50/34,307,137.28
  6. Step 6: Final answer
    x = 28,367,937.81

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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.