Home / 10,357,406.80-15,536,110.20-5,318,558.80

Finding the Fourth Proportional to 10,357,406.80, 15,536,110.20 and 5,318,558.80

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Solution

The fourth proportional to 10,357,406.80, 15,536,110.20 and 5,318,558.80 is: 7,977,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357,406.80 : 15,536,110.20 = 5,318,558.80 : x
  2. Step 2: Convert to fraction form
    10,357,406.80/15,536,110.20 = 5,318,558.80/x
  3. Step 3: Cross multiply
    10,357,406.80x = 15,536,110.20 × 5,318,558.80
  4. Step 4: Simplify right side
    10,357,406.80x = 82,629,715,621,979.75
  5. Step 5: Solve for x
    x = 82,629,715,621,979.75/10,357,406.80
  6. Step 6: Final answer
    x = 7,977,838.20

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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.