Home / 10,439,704.80-15,658,779.60-4,372,869.60

Finding the Fourth Proportional to 10,439,704.80, 15,658,779.60 and 4,372,869.60

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Solution

The fourth proportional to 10,439,704.80, 15,658,779.60 and 4,372,869.60 is: 6,558,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439,704.80 : 15,658,779.60 = 4,372,869.60 : x
  2. Step 2: Convert to fraction form
    10,439,704.80/15,658,779.60 = 4,372,869.60/x
  3. Step 3: Cross multiply
    10,439,704.80x = 15,658,779.60 × 4,372,869.60
  4. Step 4: Simplify right side
    10,439,704.80x = 68,473,801,285,940.16
  5. Step 5: Solve for x
    x = 68,473,801,285,940.16/10,439,704.80
  6. Step 6: Final answer
    x = 6,558,978.69

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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.