Home / 18,128,510.70-27,192,766.05-14,018,700.30

Finding the Fourth Proportional to 18,128,510.70, 27,192,766.05 and 14,018,700.30

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Solution

The fourth proportional to 18,128,510.70, 27,192,766.05 and 14,018,700.30 is: 21,028,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,510.70 : 27,192,766.05 = 14,018,700.30 : x
  2. Step 2: Convert to fraction form
    18,128,510.70/27,192,766.05 = 14,018,700.30/x
  3. Step 3: Cross multiply
    18,128,510.70x = 27,192,766.05 × 14,018,700.30
  4. Step 4: Simplify right side
    18,128,510.70x = 381,207,237,582,964.88
  5. Step 5: Solve for x
    x = 381,207,237,582,964.88/18,128,510.70
  6. Step 6: Final answer
    x = 21,028,050.45

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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.