Home / 21,583,792.90-32,374,940.55-5,409,885.70

Finding the Fourth Proportional to 21,583,792.90, 32,374,940.55 and 5,409,885.70

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Solution

The fourth proportional to 21,583,792.90, 32,374,940.55 and 5,409,885.70 is: 8,114,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583,792.90 : 32,374,940.55 = 5,409,885.70 : x
  2. Step 2: Convert to fraction form
    21,583,792.90/32,374,940.55 = 5,409,885.70/x
  3. Step 3: Cross multiply
    21,583,792.90x = 32,374,940.55 × 5,409,885.70
  4. Step 4: Simplify right side
    21,583,792.90x = 175,144,727,919,795.16
  5. Step 5: Solve for x
    x = 175,144,727,919,795.16/21,583,792.90
  6. Step 6: Final answer
    x = 8,114,640.87

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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.