Home / 28,238,382.56-38,956,025.04-16,630,389.28

Finding the Fourth Proportional to 28,238,382.56, 38,956,025.04 and 16,630,389.28

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Solution

The fourth proportional to 28,238,382.56, 38,956,025.04 and 16,630,389.28 is: 22,942,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,238,382.56 : 38,956,025.04 = 16,630,389.28 : x
  2. Step 2: Convert to fraction form
    28,238,382.56/38,956,025.04 = 16,630,389.28/x
  3. Step 3: Cross multiply
    28,238,382.56x = 38,956,025.04 × 16,630,389.28
  4. Step 4: Simplify right side
    28,238,382.56x = 647,853,861,216,627.50
  5. Step 5: Solve for x
    x = 647,853,861,216,627.50/28,238,382.56
  6. Step 6: Final answer
    x = 22,942,314.77

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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.