Home / 28,084,119.20-42,126,178.80-26,404,503.20

Finding the Fourth Proportional to 28,084,119.20, 42,126,178.80 and 26,404,503.20

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Solution

The fourth proportional to 28,084,119.20, 42,126,178.80 and 26,404,503.20 is: 39,606,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,119.20 : 42,126,178.80 = 26,404,503.20 : x
  2. Step 2: Convert to fraction form
    28,084,119.20/42,126,178.80 = 26,404,503.20/x
  3. Step 3: Cross multiply
    28,084,119.20x = 42,126,178.80 × 26,404,503.20
  4. Step 4: Simplify right side
    28,084,119.20x = 1,112,320,822,928,372
  5. Step 5: Solve for x
    x = 1,112,320,822,928,372/28,084,119.20
  6. Step 6: Final answer
    x = 39,606,754.80

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1.5x scale

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.