Home / 31,029,949.24-42,821,327.93-17,984,775.02

Finding the Fourth Proportional to 31,029,949.24, 42,821,327.93 and 17,984,775.02

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Solution

The fourth proportional to 31,029,949.24, 42,821,327.93 and 17,984,775.02 is: 24,818,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029,949.24 : 42,821,327.93 = 17,984,775.02 : x
  2. Step 2: Convert to fraction form
    31,029,949.24/42,821,327.93 = 17,984,775.02/x
  3. Step 3: Cross multiply
    31,029,949.24x = 42,821,327.93 × 17,984,775.02
  4. Step 4: Simplify right side
    31,029,949.24x = 770,131,948,888,406.62
  5. Step 5: Solve for x
    x = 770,131,948,888,406.62/31,029,949.24
  6. Step 6: Final answer
    x = 24,818,988.35

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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.