Home / 22,556,965.71-31,127,807.27-12,767,199.72

Finding the Fourth Proportional to 22,556,965.71, 31,127,807.27 and 12,767,199.72

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Solution

The fourth proportional to 22,556,965.71, 31,127,807.27 and 12,767,199.72 is: 17,618,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,965.71 : 31,127,807.27 = 12,767,199.72 : x
  2. Step 2: Convert to fraction form
    22,556,965.71/31,127,807.27 = 12,767,199.72/x
  3. Step 3: Cross multiply
    22,556,965.71x = 31,127,807.27 × 12,767,199.72
  4. Step 4: Simplify right side
    22,556,965.71x = 397,414,932,176,946.69
  5. Step 5: Solve for x
    x = 397,414,932,176,946.69/22,556,965.71
  6. Step 6: Final answer
    x = 17,618,279.75

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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.