Home / 18,147,711.40-27,221,567.10-11,429,247.40

Finding the Fourth Proportional to 18,147,711.40, 27,221,567.10 and 11,429,247.40

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Solution

The fourth proportional to 18,147,711.40, 27,221,567.10 and 11,429,247.40 is: 17,143,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,711.40 : 27,221,567.10 = 11,429,247.40 : x
  2. Step 2: Convert to fraction form
    18,147,711.40/27,221,567.10 = 11,429,247.40/x
  3. Step 3: Cross multiply
    18,147,711.40x = 27,221,567.10 × 11,429,247.40
  4. Step 4: Simplify right side
    18,147,711.40x = 311,122,025,001,600.56
  5. Step 5: Solve for x
    x = 311,122,025,001,600.56/18,147,711.40
  6. Step 6: Final answer
    x = 17,143,871.10

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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.