Home / 22,866,343.71-31,556,186.13-12,942,437.55

Finding the Fourth Proportional to 22,866,343.71, 31,556,186.13 and 12,942,437.55

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Solution

The fourth proportional to 22,866,343.71, 31,556,186.13 and 12,942,437.55 is: 17,860,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,866,343.71 : 31,556,186.13 = 12,942,437.55 : x
  2. Step 2: Convert to fraction form
    22,866,343.71/31,556,186.13 = 12,942,437.55/x
  3. Step 3: Cross multiply
    22,866,343.71x = 31,556,186.13 × 12,942,437.55
  4. Step 4: Simplify right side
    22,866,343.71x = 408,413,968,303,701.19
  5. Step 5: Solve for x
    x = 408,413,968,303,701.19/22,866,343.71
  6. Step 6: Final answer
    x = 17,860,921.43

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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.