Home / 12,012,792.72-18,020,588.88-3,926,374.80

Finding the Fourth Proportional to 12,012,792.72, 18,020,588.88 and 3,926,374.80

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Solution

The fourth proportional to 12,012,792.72, 18,020,588.88 and 3,926,374.80 is: 5,890,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,792.72 : 18,020,588.88 = 3,926,374.80 : x
  2. Step 2: Convert to fraction form
    12,012,792.72/18,020,588.88 = 3,926,374.80/x
  3. Step 3: Cross multiply
    12,012,792.72x = 18,020,588.88 × 3,926,374.80
  4. Step 4: Simplify right side
    12,012,792.72x = 70,755,586,059,592.22
  5. Step 5: Solve for x
    x = 70,755,586,059,592.22/12,012,792.72
  6. Step 6: Final answer
    x = 5,890,019.72

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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.