Home / 26,851,921.76-40,290,479.76-13,389,799.52

Finding the Fourth Proportional to 26,851,921.76, 40,290,479.76 and 13,389,799.52

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Solution

The fourth proportional to 26,851,921.76, 40,290,479.76 and 13,389,799.52 is: 20,090,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851,921.76 : 40,290,479.76 = 13,389,799.52 : x
  2. Step 2: Convert to fraction form
    26,851,921.76/40,290,479.76 = 13,389,799.52/x
  3. Step 3: Cross multiply
    26,851,921.76x = 40,290,479.76 × 13,389,799.52
  4. Step 4: Simplify right side
    26,851,921.76x = 539,481,446,551,017.69
  5. Step 5: Solve for x
    x = 539,481,446,551,017.69/26,851,921.76
  6. Step 6: Final answer
    x = 20,090,980.88

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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.