Home / 19,721,645.46-27,216,922.05-11,020,029.30

Finding the Fourth Proportional to 19,721,645.46, 27,216,922.05 and 11,020,029.30

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Solution

The fourth proportional to 19,721,645.46, 27,216,922.05 and 11,020,029.30 is: 15,208,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721,645.46 : 27,216,922.05 = 11,020,029.30 : x
  2. Step 2: Convert to fraction form
    19,721,645.46/27,216,922.05 = 11,020,029.30/x
  3. Step 3: Cross multiply
    19,721,645.46x = 27,216,922.05 × 11,020,029.30
  4. Step 4: Simplify right side
    19,721,645.46x = 299,931,278,446,816.06
  5. Step 5: Solve for x
    x = 299,931,278,446,816.06/19,721,645.46
  6. Step 6: Final answer
    x = 15,208,227.89

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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.