Home / 27,518,728.80-37,976,270.40-15,129,358.56

Finding the Fourth Proportional to 27,518,728.80, 37,976,270.40 and 15,129,358.56

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Solution

The fourth proportional to 27,518,728.80, 37,976,270.40 and 15,129,358.56 is: 20,878,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518,728.80 : 37,976,270.40 = 15,129,358.56 : x
  2. Step 2: Convert to fraction form
    27,518,728.80/37,976,270.40 = 15,129,358.56/x
  3. Step 3: Cross multiply
    27,518,728.80x = 37,976,270.40 × 15,129,358.56
  4. Step 4: Simplify right side
    27,518,728.80x = 574,556,611,653,114.62
  5. Step 5: Solve for x
    x = 574,556,611,653,114.62/27,518,728.80
  6. Step 6: Final answer
    x = 20,878,748.28

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1.5x scale

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.