Home / 39,031,603.13-53,864,793.30-21,626,319.89

Finding the Fourth Proportional to 39,031,603.13, 53,864,793.30 and 21,626,319.89

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Solution

The fourth proportional to 39,031,603.13, 53,864,793.30 and 21,626,319.89 is: 29,844,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031,603.13 : 53,864,793.30 = 21,626,319.89 : x
  2. Step 2: Convert to fraction form
    39,031,603.13/53,864,793.30 = 21,626,319.89/x
  3. Step 3: Cross multiply
    39,031,603.13x = 53,864,793.30 × 21,626,319.89
  4. Step 4: Simplify right side
    39,031,603.13x = 1,164,897,250,445,204.75
  5. Step 5: Solve for x
    x = 1,164,897,250,445,204.75/39,031,603.13
  6. Step 6: Final answer
    x = 29,844,975.79

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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.