Home / 28,771,405.28-43,163,328.72-15,306,276.32

Finding the Fourth Proportional to 28,771,405.28, 43,163,328.72 and 15,306,276.32

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Solution

The fourth proportional to 28,771,405.28, 43,163,328.72 and 15,306,276.32 is: 22,962,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,405.28 : 43,163,328.72 = 15,306,276.32 : x
  2. Step 2: Convert to fraction form
    28,771,405.28/43,163,328.72 = 15,306,276.32/x
  3. Step 3: Cross multiply
    28,771,405.28x = 43,163,328.72 × 15,306,276.32
  4. Step 4: Simplify right side
    28,771,405.28x = 660,669,836,279,311.88
  5. Step 5: Solve for x
    x = 660,669,836,279,311.88/28,771,405.28
  6. Step 6: Final answer
    x = 22,962,723.92

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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.