Home / 7,243,729.60-10,866,906.60-3,640,428.40

Finding the Fourth Proportional to 7,243,729.60, 10,866,906.60 and 3,640,428.40

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Solution

The fourth proportional to 7,243,729.60, 10,866,906.60 and 3,640,428.40 is: 5,461,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,729.60 : 10,866,906.60 = 3,640,428.40 : x
  2. Step 2: Convert to fraction form
    7,243,729.60/10,866,906.60 = 3,640,428.40/x
  3. Step 3: Cross multiply
    7,243,729.60x = 10,866,906.60 × 3,640,428.40
  4. Step 4: Simplify right side
    7,243,729.60x = 39,560,195,406,787.44
  5. Step 5: Solve for x
    x = 39,560,195,406,787.44/7,243,729.60
  6. Step 6: Final answer
    x = 5,461,302.06

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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.