Home / 7,977,658.80-11,966,585.40-2,586,266.40

Finding the Fourth Proportional to 7,977,658.80, 11,966,585.40 and 2,586,266.40

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Solution

The fourth proportional to 7,977,658.80, 11,966,585.40 and 2,586,266.40 is: 3,879,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,658.80 : 11,966,585.40 = 2,586,266.40 : x
  2. Step 2: Convert to fraction form
    7,977,658.80/11,966,585.40 = 2,586,266.40/x
  3. Step 3: Cross multiply
    7,977,658.80x = 11,966,585.40 × 2,586,266.40
  4. Step 4: Simplify right side
    7,977,658.80x = 30,948,777,742,750.56
  5. Step 5: Solve for x
    x = 30,948,777,742,750.56/7,977,658.80
  6. Step 6: Final answer
    x = 3,879,431.11

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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.