Home / 22,712,449.05-31,343,020.22-12,399,172.13

Finding the Fourth Proportional to 22,712,449.05, 31,343,020.22 and 12,399,172.13

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Solution

The fourth proportional to 22,712,449.05, 31,343,020.22 and 12,399,172.13 is: 17,110,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,449.05 : 31,343,020.22 = 12,399,172.13 : x
  2. Step 2: Convert to fraction form
    22,712,449.05/31,343,020.22 = 12,399,172.13/x
  3. Step 3: Cross multiply
    22,712,449.05x = 31,343,020.22 × 12,399,172.13
  4. Step 4: Simplify right side
    22,712,449.05x = 388,627,502,891,205.94
  5. Step 5: Solve for x
    x = 388,627,502,891,205.94/22,712,449.05
  6. Step 6: Final answer
    x = 17,110,770.49

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1.5x scale

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.