Home / 15,370,636.57-21,197,749.23-12,752,996.45

Finding the Fourth Proportional to 15,370,636.57, 21,197,749.23 and 12,752,996.45

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Solution

The fourth proportional to 15,370,636.57, 21,197,749.23 and 12,752,996.45 is: 17,587,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370,636.57 : 21,197,749.23 = 12,752,996.45 : x
  2. Step 2: Convert to fraction form
    15,370,636.57/21,197,749.23 = 12,752,996.45/x
  3. Step 3: Cross multiply
    15,370,636.57x = 21,197,749.23 × 12,752,996.45
  4. Step 4: Simplify right side
    15,370,636.57x = 270,334,820,727,315.75
  5. Step 5: Solve for x
    x = 270,334,820,727,315.75/15,370,636.57
  6. Step 6: Final answer
    x = 17,587,743.97

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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.