Home / 31,681,269.13-43,739,897.39-21,775,208.89

Finding the Fourth Proportional to 31,681,269.13, 43,739,897.39 and 21,775,208.89

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Solution

The fourth proportional to 31,681,269.13, 43,739,897.39 and 21,775,208.89 is: 30,063,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681,269.13 : 43,739,897.39 = 21,775,208.89 : x
  2. Step 2: Convert to fraction form
    31,681,269.13/43,739,897.39 = 21,775,208.89/x
  3. Step 3: Cross multiply
    31,681,269.13x = 43,739,897.39 × 21,775,208.89
  4. Step 4: Simplify right side
    31,681,269.13x = 952,445,402,494,415.88
  5. Step 5: Solve for x
    x = 952,445,402,494,415.88/31,681,269.13
  6. Step 6: Final answer
    x = 30,063,360.11

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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.