Home / 20,219,913.60-30,329,870.40-8,882,505.60

Finding the Fourth Proportional to 20,219,913.60, 30,329,870.40 and 8,882,505.60

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Solution

The fourth proportional to 20,219,913.60, 30,329,870.40 and 8,882,505.60 is: 13,323,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,913.60 : 30,329,870.40 = 8,882,505.60 : x
  2. Step 2: Convert to fraction form
    20,219,913.60/30,329,870.40 = 8,882,505.60/x
  3. Step 3: Cross multiply
    20,219,913.60x = 30,329,870.40 × 8,882,505.60
  4. Step 4: Simplify right side
    20,219,913.60x = 269,405,243,675,274.22
  5. Step 5: Solve for x
    x = 269,405,243,675,274.22/20,219,913.60
  6. Step 6: Final answer
    x = 13,323,758.40

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1.5x scale

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.