Home / 30,581,610.70-45,872,416.05-16,976,721.10

Finding the Fourth Proportional to 30,581,610.70, 45,872,416.05 and 16,976,721.10

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Solution

The fourth proportional to 30,581,610.70, 45,872,416.05 and 16,976,721.10 is: 25,465,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,610.70 : 45,872,416.05 = 16,976,721.10 : x
  2. Step 2: Convert to fraction form
    30,581,610.70/45,872,416.05 = 16,976,721.10/x
  3. Step 3: Cross multiply
    30,581,610.70x = 45,872,416.05 × 16,976,721.10
  4. Step 4: Simplify right side
    30,581,610.70x = 778,763,213,464,013.62
  5. Step 5: Solve for x
    x = 778,763,213,464,013.62/30,581,610.70
  6. Step 6: Final answer
    x = 25,465,081.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.