Home / 13,019,833.72-19,525,763.13-9,002,139.76

Finding the Fourth Proportional to 13,019,833.72, 19,525,763.13 and 9,002,139.76

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Solution

The fourth proportional to 13,019,833.72, 19,525,763.13 and 9,002,139.76 is: 13,500,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,833.72 : 19,525,763.13 = 9,002,139.76 : x
  2. Step 2: Convert to fraction form
    13,019,833.72/19,525,763.13 = 9,002,139.76/x
  3. Step 3: Cross multiply
    13,019,833.72x = 19,525,763.13 × 9,002,139.76
  4. Step 4: Simplify right side
    13,019,833.72x = 175,773,648,616,915.03
  5. Step 5: Solve for x
    x = 175,773,648,616,915.03/13,019,833.72
  6. Step 6: Final answer
    x = 13,500,452.65

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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.