Home / 28,545,589.28-39,392,952.18-15,492,848.42

Finding the Fourth Proportional to 28,545,589.28, 39,392,952.18 and 15,492,848.42

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Solution

The fourth proportional to 28,545,589.28, 39,392,952.18 and 15,492,848.42 is: 21,380,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,589.28 : 39,392,952.18 = 15,492,848.42 : x
  2. Step 2: Convert to fraction form
    28,545,589.28/39,392,952.18 = 15,492,848.42/x
  3. Step 3: Cross multiply
    28,545,589.28x = 39,392,952.18 × 15,492,848.42
  4. Step 4: Simplify right side
    28,545,589.28x = 610,309,036,941,048.50
  5. Step 5: Solve for x
    x = 610,309,036,941,048.50/28,545,589.28
  6. Step 6: Final answer
    x = 21,380,151.97

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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.