Home / 8,054,486.40-12,081,729.60-4,869,436.80

Finding the Fourth Proportional to 8,054,486.40, 12,081,729.60 and 4,869,436.80

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Solution

The fourth proportional to 8,054,486.40, 12,081,729.60 and 4,869,436.80 is: 7,304,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054,486.40 : 12,081,729.60 = 4,869,436.80 : x
  2. Step 2: Convert to fraction form
    8,054,486.40/12,081,729.60 = 4,869,436.80/x
  3. Step 3: Cross multiply
    8,054,486.40x = 12,081,729.60 × 4,869,436.80
  4. Step 4: Simplify right side
    8,054,486.40x = 58,831,218,721,889.27
  5. Step 5: Solve for x
    x = 58,831,218,721,889.27/8,054,486.40
  6. Step 6: Final answer
    x = 7,304,155.20

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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.