Home / 22,556,988.80-31,127,839.06-12,767,222.73

Finding the Fourth Proportional to 22,556,988.80, 31,127,839.06 and 12,767,222.73

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Solution

The fourth proportional to 22,556,988.80, 31,127,839.06 and 12,767,222.73 is: 17,618,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,988.80 : 31,127,839.06 = 12,767,222.73 : x
  2. Step 2: Convert to fraction form
    22,556,988.80/31,127,839.06 = 12,767,222.73/x
  3. Step 3: Cross multiply
    22,556,988.80x = 31,127,839.06 × 12,767,222.73
  4. Step 4: Simplify right side
    22,556,988.80x = 397,416,054,350,695.81
  5. Step 5: Solve for x
    x = 397,416,054,350,695.81/22,556,988.80
  6. Step 6: Final answer
    x = 17,618,311.47

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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.