Home / 18,216,159.86-27,331,792.23-7,975,734.05

Finding the Fourth Proportional to 18,216,159.86, 27,331,792.23 and 7,975,734.05

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Solution

The fourth proportional to 18,216,159.86, 27,331,792.23 and 7,975,734.05 is: 11,966,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216,159.86 : 27,331,792.23 = 7,975,734.05 : x
  2. Step 2: Convert to fraction form
    18,216,159.86/27,331,792.23 = 7,975,734.05/x
  3. Step 3: Cross multiply
    18,216,159.86x = 27,331,792.23 × 7,975,734.05
  4. Step 4: Simplify right side
    18,216,159.86x = 217,991,105,799,677.47
  5. Step 5: Solve for x
    x = 217,991,105,799,677.47/18,216,159.86
  6. Step 6: Final answer
    x = 11,966,907.82

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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.