Home / 10,001,121.92-13,801,614.48-5,417,443.28

Finding the Fourth Proportional to 10,001,121.92, 13,801,614.48 and 5,417,443.28

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Solution

The fourth proportional to 10,001,121.92, 13,801,614.48 and 5,417,443.28 is: 7,476,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001,121.92 : 13,801,614.48 = 5,417,443.28 : x
  2. Step 2: Convert to fraction form
    10,001,121.92/13,801,614.48 = 5,417,443.28/x
  3. Step 3: Cross multiply
    10,001,121.92x = 13,801,614.48 × 5,417,443.28
  4. Step 4: Simplify right side
    10,001,121.92x = 74,769,463,617,826.70
  5. Step 5: Solve for x
    x = 74,769,463,617,826.70/10,001,121.92
  6. Step 6: Final answer
    x = 7,476,107.60

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1.5x scale

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.