Home / 18,219,006.70-27,328,510.05-7,432,722.70

Finding the Fourth Proportional to 18,219,006.70, 27,328,510.05 and 7,432,722.70

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Solution

The fourth proportional to 18,219,006.70, 27,328,510.05 and 7,432,722.70 is: 11,149,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,006.70 : 27,328,510.05 = 7,432,722.70 : x
  2. Step 2: Convert to fraction form
    18,219,006.70/27,328,510.05 = 7,432,722.70/x
  3. Step 3: Cross multiply
    18,219,006.70x = 27,328,510.05 × 7,432,722.70
  4. Step 4: Simplify right side
    18,219,006.70x = 203,125,237,005,813.16
  5. Step 5: Solve for x
    x = 203,125,237,005,813.16/18,219,006.70
  6. Step 6: Final answer
    x = 11,149,084.05

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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.