Home / 18,018,343.20-27,024,890.40-5,237,515.20

Finding the Fourth Proportional to 18,018,343.20, 27,024,890.40 and 5,237,515.20

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Solution

The fourth proportional to 18,018,343.20, 27,024,890.40 and 5,237,515.20 is: 7,855,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,343.20 : 27,024,890.40 = 5,237,515.20 : x
  2. Step 2: Convert to fraction form
    18,018,343.20/27,024,890.40 = 5,237,515.20/x
  3. Step 3: Cross multiply
    18,018,343.20x = 27,024,890.40 × 5,237,515.20
  4. Step 4: Simplify right side
    18,018,343.20x = 141,543,274,248,334.06
  5. Step 5: Solve for x
    x = 141,543,274,248,334.06/18,018,343.20
  6. Step 6: Final answer
    x = 7,855,509.95

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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.