Home / 34,307,135.28-47,345,391-20,555,804.16

Finding the Fourth Proportional to 34,307,135.28, 47,345,391 and 20,555,804.16

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Solution

The fourth proportional to 34,307,135.28, 47,345,391 and 20,555,804.16 is: 28,367,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307,135.28 : 47,345,391 = 20,555,804.16 : x
  2. Step 2: Convert to fraction form
    34,307,135.28/47,345,391 = 20,555,804.16/x
  3. Step 3: Cross multiply
    34,307,135.28x = 47,345,391 × 20,555,804.16
  4. Step 4: Simplify right side
    34,307,135.28x = 973,222,585,274,626.62
  5. Step 5: Solve for x
    x = 973,222,585,274,626.62/34,307,135.28
  6. Step 6: Final answer
    x = 28,367,935.05

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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.