Home / 31,809,269.69-43,900,355.12-19,257,242.88

Finding the Fourth Proportional to 31,809,269.69, 43,900,355.12 and 19,257,242.88

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Solution

The fourth proportional to 31,809,269.69, 43,900,355.12 and 19,257,242.88 is: 26,577,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809,269.69 : 43,900,355.12 = 19,257,242.88 : x
  2. Step 2: Convert to fraction form
    31,809,269.69/43,900,355.12 = 19,257,242.88/x
  3. Step 3: Cross multiply
    31,809,269.69x = 43,900,355.12 × 19,257,242.88
  4. Step 4: Simplify right side
    31,809,269.69x = 845,399,800,967,805.38
  5. Step 5: Solve for x
    x = 845,399,800,967,805.38/31,809,269.69
  6. Step 6: Final answer
    x = 26,577,152.17

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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.