Home / 30,642,210.59-42,288,778.57-17,591,987.93

Finding the Fourth Proportional to 30,642,210.59, 42,288,778.57 and 17,591,987.93

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Solution

The fourth proportional to 30,642,210.59, 42,288,778.57 and 17,591,987.93 is: 24,278,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,642,210.59 : 42,288,778.57 = 17,591,987.93 : x
  2. Step 2: Convert to fraction form
    30,642,210.59/42,288,778.57 = 17,591,987.93/x
  3. Step 3: Cross multiply
    30,642,210.59x = 42,288,778.57 × 17,591,987.93
  4. Step 4: Simplify right side
    30,642,210.59x = 743,943,682,177,882.62
  5. Step 5: Solve for x
    x = 743,943,682,177,882.62/30,642,210.59
  6. Step 6: Final answer
    x = 24,278,394.67

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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.