Home / 51,021,825.29-70,407,084.79-28,992,267.24

Finding the Fourth Proportional to 51,021,825.29, 70,407,084.79 and 28,992,267.24

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Solution

The fourth proportional to 51,021,825.29, 70,407,084.79 and 28,992,267.24 is: 40,007,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,021,825.29 : 70,407,084.79 = 28,992,267.24 : x
  2. Step 2: Convert to fraction form
    51,021,825.29/70,407,084.79 = 28,992,267.24/x
  3. Step 3: Cross multiply
    51,021,825.29x = 70,407,084.79 × 28,992,267.24
  4. Step 4: Simplify right side
    51,021,825.29x = 2,041,261,017,821,019.25
  5. Step 5: Solve for x
    x = 2,041,261,017,821,019.25/51,021,825.29
  6. Step 6: Final answer
    x = 40,007,604.71

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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.