Home / 39,390,833.36-59,190,163.32-21,208,471.76

Finding the Fourth Proportional to 39,390,833.36, 59,190,163.32 and 21,208,471.76

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Solution

The fourth proportional to 39,390,833.36, 59,190,163.32 and 21,208,471.76 is: 31,868,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390,833.36 : 59,190,163.32 = 21,208,471.76 : x
  2. Step 2: Convert to fraction form
    39,390,833.36/59,190,163.32 = 21,208,471.76/x
  3. Step 3: Cross multiply
    39,390,833.36x = 59,190,163.32 × 21,208,471.76
  4. Step 4: Simplify right side
    39,390,833.36x = 1,255,332,907,242,008
  5. Step 5: Solve for x
    x = 1,255,332,907,242,008/39,390,833.36
  6. Step 6: Final answer
    x = 31,868,655.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.