Home / 30,646,369.38-45,955,720.35-8,781,747.56

Finding the Fourth Proportional to 30,646,369.38, 45,955,720.35 and 8,781,747.56

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Solution

The fourth proportional to 30,646,369.38, 45,955,720.35 and 8,781,747.56 is: 13,168,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,369.38 : 45,955,720.35 = 8,781,747.56 : x
  2. Step 2: Convert to fraction form
    30,646,369.38/45,955,720.35 = 8,781,747.56/x
  3. Step 3: Cross multiply
    30,646,369.38x = 45,955,720.35 × 8,781,747.56
  4. Step 4: Simplify right side
    30,646,369.38x = 403,571,534,821,876.25
  5. Step 5: Solve for x
    x = 403,571,534,821,876.25/30,646,369.38
  6. Step 6: Final answer
    x = 13,168,657.27

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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.