Home / 9,513,126.90-13,128,048.54-5,162,102.56

Finding the Fourth Proportional to 9,513,126.90, 13,128,048.54 and 5,162,102.56

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Solution

The fourth proportional to 9,513,126.90, 13,128,048.54 and 5,162,102.56 is: 7,123,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,126.90 : 13,128,048.54 = 5,162,102.56 : x
  2. Step 2: Convert to fraction form
    9,513,126.90/13,128,048.54 = 5,162,102.56/x
  3. Step 3: Cross multiply
    9,513,126.90x = 13,128,048.54 × 5,162,102.56
  4. Step 4: Simplify right side
    9,513,126.90x = 67,768,332,976,138.25
  5. Step 5: Solve for x
    x = 67,768,332,976,138.25/9,513,126.90
  6. Step 6: Final answer
    x = 7,123,665.40

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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.