Home / 22,556,990.21-31,127,841-12,767,224.14

Finding the Fourth Proportional to 22,556,990.21, 31,127,841 and 12,767,224.14

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Solution

The fourth proportional to 22,556,990.21, 31,127,841 and 12,767,224.14 is: 17,618,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,990.21 : 31,127,841 = 12,767,224.14 : x
  2. Step 2: Convert to fraction form
    22,556,990.21/31,127,841 = 12,767,224.14/x
  3. Step 3: Cross multiply
    22,556,990.21x = 31,127,841 × 12,767,224.14
  4. Step 4: Simplify right side
    22,556,990.21x = 397,416,123,041,281.75
  5. Step 5: Solve for x
    x = 397,416,123,041,281.75/22,556,990.21
  6. Step 6: Final answer
    x = 17,618,313.41

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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.