Home / 39,927,632.40-55,100,298.78-21,592,917.90

Finding the Fourth Proportional to 39,927,632.40, 55,100,298.78 and 21,592,917.90

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Solution

The fourth proportional to 39,927,632.40, 55,100,298.78 and 21,592,917.90 is: 29,798,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,632.40 : 55,100,298.78 = 21,592,917.90 : x
  2. Step 2: Convert to fraction form
    39,927,632.40/55,100,298.78 = 21,592,917.90/x
  3. Step 3: Cross multiply
    39,927,632.40x = 55,100,298.78 × 21,592,917.90
  4. Step 4: Simplify right side
    39,927,632.40x = 1,189,776,227,822,010
  5. Step 5: Solve for x
    x = 1,189,776,227,822,010/39,927,632.40
  6. Step 6: Final answer
    x = 29,798,316.51

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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.