Home / 30,132,001.80-45,198,002.70-15,759,475.20

Finding the Fourth Proportional to 30,132,001.80, 45,198,002.70 and 15,759,475.20

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Solution

The fourth proportional to 30,132,001.80, 45,198,002.70 and 15,759,475.20 is: 23,639,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132,001.80 : 45,198,002.70 = 15,759,475.20 : x
  2. Step 2: Convert to fraction form
    30,132,001.80/45,198,002.70 = 15,759,475.20/x
  3. Step 3: Cross multiply
    30,132,001.80x = 45,198,002.70 × 15,759,475.20
  4. Step 4: Simplify right side
    30,132,001.80x = 712,296,802,640,183
  5. Step 5: Solve for x
    x = 712,296,802,640,183/30,132,001.80
  6. Step 6: Final answer
    x = 23,639,212.80

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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.