Home / 22,712,449.44-31,343,020.74-12,399,172.50

Finding the Fourth Proportional to 22,712,449.44, 31,343,020.74 and 12,399,172.50

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Solution

The fourth proportional to 22,712,449.44, 31,343,020.74 and 12,399,172.50 is: 17,110,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,449.44 : 31,343,020.74 = 12,399,172.50 : x
  2. Step 2: Convert to fraction form
    22,712,449.44/31,343,020.74 = 12,399,172.50/x
  3. Step 3: Cross multiply
    22,712,449.44x = 31,343,020.74 × 12,399,172.50
  4. Step 4: Simplify right side
    22,712,449.44x = 388,627,520,826,337.62
  5. Step 5: Solve for x
    x = 388,627,520,826,337.62/22,712,449.44
  6. Step 6: Final answer
    x = 17,110,770.98

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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.