Home / 7,006,868.52-9,669,465.20-3,909,207.57

Finding the Fourth Proportional to 7,006,868.52, 9,669,465.20 and 3,909,207.57

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Solution

The fourth proportional to 7,006,868.52, 9,669,465.20 and 3,909,207.57 is: 5,394,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006,868.52 : 9,669,465.20 = 3,909,207.57 : x
  2. Step 2: Convert to fraction form
    7,006,868.52/9,669,465.20 = 3,909,207.57/x
  3. Step 3: Cross multiply
    7,006,868.52x = 9,669,465.20 × 3,909,207.57
  4. Step 4: Simplify right side
    7,006,868.52x = 37,799,946,537,132.64
  5. Step 5: Solve for x
    x = 37,799,946,537,132.64/7,006,868.52
  6. Step 6: Final answer
    x = 5,394,698.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.