Home / 10,931,779.20-16,407,583.20-5,544,177.60

Finding the Fourth Proportional to 10,931,779.20, 16,407,583.20 and 5,544,177.60

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Solution

The fourth proportional to 10,931,779.20, 16,407,583.20 and 5,544,177.60 is: 8,321,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,779.20 : 16,407,583.20 = 5,544,177.60 : x
  2. Step 2: Convert to fraction form
    10,931,779.20/16,407,583.20 = 5,544,177.60/x
  3. Step 3: Cross multiply
    10,931,779.20x = 16,407,583.20 × 5,544,177.60
  4. Step 4: Simplify right side
    10,931,779.20x = 90,966,555,247,576.31
  5. Step 5: Solve for x
    x = 90,966,555,247,576.31/10,931,779.20
  6. Step 6: Final answer
    x = 8,321,294.60

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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.