Home / 10,868,731.40-16,305,065.40-5,463,779.60

Finding the Fourth Proportional to 10,868,731.40, 16,305,065.40 and 5,463,779.60

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Solution

The fourth proportional to 10,868,731.40, 16,305,065.40 and 5,463,779.60 is: 8,196,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,731.40 : 16,305,065.40 = 5,463,779.60 : x
  2. Step 2: Convert to fraction form
    10,868,731.40/16,305,065.40 = 5,463,779.60/x
  3. Step 3: Cross multiply
    10,868,731.40x = 16,305,065.40 × 5,463,779.60
  4. Step 4: Simplify right side
    10,868,731.40x = 89,087,283,709,185.84
  5. Step 5: Solve for x
    x = 89,087,283,709,185.84/10,868,731.40
  6. Step 6: Final answer
    x = 8,196,658.88

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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.