Home / 7,450,779.20-11,167,311.45-6,689,047.10

Finding the Fourth Proportional to 7,450,779.20, 11,167,311.45 and 6,689,047.10

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Solution

The fourth proportional to 7,450,779.20, 11,167,311.45 and 6,689,047.10 is: 10,025,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450,779.20 : 11,167,311.45 = 6,689,047.10 : x
  2. Step 2: Convert to fraction form
    7,450,779.20/11,167,311.45 = 6,689,047.10/x
  3. Step 3: Cross multiply
    7,450,779.20x = 11,167,311.45 × 6,689,047.10
  4. Step 4: Simplify right side
    7,450,779.20x = 74,698,672,269,419.28
  5. Step 5: Solve for x
    x = 74,698,672,269,419.28/7,450,779.20
  6. Step 6: Final answer
    x = 10,025,618.83

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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.