Home / 20,219,871.60-30,329,807.40-8,882,463.60

Finding the Fourth Proportional to 20,219,871.60, 30,329,807.40 and 8,882,463.60

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Solution

The fourth proportional to 20,219,871.60, 30,329,807.40 and 8,882,463.60 is: 13,323,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,871.60 : 30,329,807.40 = 8,882,463.60 : x
  2. Step 2: Convert to fraction form
    20,219,871.60/30,329,807.40 = 8,882,463.60/x
  3. Step 3: Cross multiply
    20,219,871.60x = 30,329,807.40 × 8,882,463.60
  4. Step 4: Simplify right side
    20,219,871.60x = 269,403,410,225,510.62
  5. Step 5: Solve for x
    x = 269,403,410,225,510.62/20,219,871.60
  6. Step 6: Final answer
    x = 13,323,695.40

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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.