Home / 28,081,512.29-42,046,574.97-18,342,007.13

Finding the Fourth Proportional to 28,081,512.29, 42,046,574.97 and 18,342,007.13

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Solution

The fourth proportional to 28,081,512.29, 42,046,574.97 and 18,342,007.13 is: 27,463,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,512.29 : 42,046,574.97 = 18,342,007.13 : x
  2. Step 2: Convert to fraction form
    28,081,512.29/42,046,574.97 = 18,342,007.13/x
  3. Step 3: Cross multiply
    28,081,512.29x = 42,046,574.97 × 18,342,007.13
  4. Step 4: Simplify right side
    28,081,512.29x = 771,218,577,962,544.75
  5. Step 5: Solve for x
    x = 771,218,577,962,544.75/28,081,512.29
  6. Step 6: Final answer
    x = 27,463,569.98

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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.