Home / 10,928,624.60-16,378,940.10-8,391,704.60

Finding the Fourth Proportional to 10,928,624.60, 16,378,940.10 and 8,391,704.60

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Solution

The fourth proportional to 10,928,624.60, 16,378,940.10 and 8,391,704.60 is: 12,576,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928,624.60 : 16,378,940.10 = 8,391,704.60 : x
  2. Step 2: Convert to fraction form
    10,928,624.60/16,378,940.10 = 8,391,704.60/x
  3. Step 3: Cross multiply
    10,928,624.60x = 16,378,940.10 × 8,391,704.60
  4. Step 4: Simplify right side
    10,928,624.60x = 137,447,226,980,294.45
  5. Step 5: Solve for x
    x = 137,447,226,980,294.45/10,928,624.60
  6. Step 6: Final answer
    x = 12,576,809.25

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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.