Home / 39,927,632.28-55,100,298.59-21,592,917.78

Finding the Fourth Proportional to 39,927,632.28, 55,100,298.59 and 21,592,917.78

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Solution

The fourth proportional to 39,927,632.28, 55,100,298.59 and 21,592,917.78 is: 29,798,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,632.28 : 55,100,298.59 = 21,592,917.78 : x
  2. Step 2: Convert to fraction form
    39,927,632.28/55,100,298.59 = 21,592,917.78/x
  3. Step 3: Cross multiply
    39,927,632.28x = 55,100,298.59 × 21,592,917.78
  4. Step 4: Simplify right side
    39,927,632.28x = 1,189,776,217,107,320
  5. Step 5: Solve for x
    x = 1,189,776,217,107,320/39,927,632.28
  6. Step 6: Final answer
    x = 29,798,316.33

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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.