Home / 19,482,161.28-26,888,220.12-11,220,615.68

Finding the Fourth Proportional to 19,482,161.28, 26,888,220.12 and 11,220,615.68

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Solution

The fourth proportional to 19,482,161.28, 26,888,220.12 and 11,220,615.68 is: 15,486,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482,161.28 : 26,888,220.12 = 11,220,615.68 : x
  2. Step 2: Convert to fraction form
    19,482,161.28/26,888,220.12 = 11,220,615.68/x
  3. Step 3: Cross multiply
    19,482,161.28x = 26,888,220.12 × 11,220,615.68
  4. Step 4: Simplify right side
    19,482,161.28x = 301,702,384,285,763.50
  5. Step 5: Solve for x
    x = 301,702,384,285,763.50/19,482,161.28
  6. Step 6: Final answer
    x = 15,486,083.91

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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.