Home / 13,145,621.60-19,718,432.40-9,956,975.60

Finding the Fourth Proportional to 13,145,621.60, 19,718,432.40 and 9,956,975.60

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Solution

The fourth proportional to 13,145,621.60, 19,718,432.40 and 9,956,975.60 is: 14,935,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,621.60 : 19,718,432.40 = 9,956,975.60 : x
  2. Step 2: Convert to fraction form
    13,145,621.60/19,718,432.40 = 9,956,975.60/x
  3. Step 3: Cross multiply
    13,145,621.60x = 19,718,432.40 × 9,956,975.60
  4. Step 4: Simplify right side
    13,145,621.60x = 196,335,950,277,049.41
  5. Step 5: Solve for x
    x = 196,335,950,277,049.41/13,145,621.60
  6. Step 6: Final answer
    x = 14,935,463.40

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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.