Home / 39,905,015.83-55,068,897.49-21,570,301.33

Finding the Fourth Proportional to 39,905,015.83, 55,068,897.49 and 21,570,301.33

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Solution

The fourth proportional to 39,905,015.83, 55,068,897.49 and 21,570,301.33 is: 29,767,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905,015.83 : 55,068,897.49 = 21,570,301.33 : x
  2. Step 2: Convert to fraction form
    39,905,015.83/55,068,897.49 = 21,570,301.33/x
  3. Step 3: Cross multiply
    39,905,015.83x = 55,068,897.49 × 21,570,301.33
  4. Step 4: Simplify right side
    39,905,015.83x = 1,187,852,712,770,180.50
  5. Step 5: Solve for x
    x = 1,187,852,712,770,180.50/39,905,015.83
  6. Step 6: Final answer
    x = 29,767,002.67

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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.