Home / 18,069,256.17-27,103,883.52-5,289,760.83

Finding the Fourth Proportional to 18,069,256.17, 27,103,883.52 and 5,289,760.83

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Solution

The fourth proportional to 18,069,256.17, 27,103,883.52 and 5,289,760.83 is: 7,934,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069,256.17 : 27,103,883.52 = 5,289,760.83 : x
  2. Step 2: Convert to fraction form
    18,069,256.17/27,103,883.52 = 5,289,760.83/x
  3. Step 3: Cross multiply
    18,069,256.17x = 27,103,883.52 × 5,289,760.83
  4. Step 4: Simplify right side
    18,069,256.17x = 143,373,061,384,978.53
  5. Step 5: Solve for x
    x = 143,373,061,384,978.53/18,069,256.17
  6. Step 6: Final answer
    x = 7,934,641.03

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1.5x scale

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.