Home / 12,037,870.80-18,061,871.40-7,492,721.04

Finding the Fourth Proportional to 12,037,870.80, 18,061,871.40 and 7,492,721.04

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Solution

The fourth proportional to 12,037,870.80, 18,061,871.40 and 7,492,721.04 is: 11,242,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037,870.80 : 18,061,871.40 = 7,492,721.04 : x
  2. Step 2: Convert to fraction form
    12,037,870.80/18,061,871.40 = 7,492,721.04/x
  3. Step 3: Cross multiply
    12,037,870.80x = 18,061,871.40 × 7,492,721.04
  4. Step 4: Simplify right side
    12,037,870.80x = 135,332,563,860,554.25
  5. Step 5: Solve for x
    x = 135,332,563,860,554.25/12,037,870.80
  6. Step 6: Final answer
    x = 11,242,234.29

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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.