Home / 18,145,216.40-27,217,824.60-8,047,837.40

Finding the Fourth Proportional to 18,145,216.40, 27,217,824.60 and 8,047,837.40

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Solution

The fourth proportional to 18,145,216.40, 27,217,824.60 and 8,047,837.40 is: 12,071,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,216.40 : 27,217,824.60 = 8,047,837.40 : x
  2. Step 2: Convert to fraction form
    18,145,216.40/27,217,824.60 = 8,047,837.40/x
  3. Step 3: Cross multiply
    18,145,216.40x = 27,217,824.60 × 8,047,837.40
  4. Step 4: Simplify right side
    18,145,216.40x = 219,044,626,762,520.06
  5. Step 5: Solve for x
    x = 219,044,626,762,520.06/18,145,216.40
  6. Step 6: Final answer
    x = 12,071,756.10

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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.