Home / 8,974,204.80-13,461,307.20-7,982,181.60

Finding the Fourth Proportional to 8,974,204.80, 13,461,307.20 and 7,982,181.60

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Solution

The fourth proportional to 8,974,204.80, 13,461,307.20 and 7,982,181.60 is: 11,973,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974,204.80 : 13,461,307.20 = 7,982,181.60 : x
  2. Step 2: Convert to fraction form
    8,974,204.80/13,461,307.20 = 7,982,181.60/x
  3. Step 3: Cross multiply
    8,974,204.80x = 13,461,307.20 × 7,982,181.60
  4. Step 4: Simplify right side
    8,974,204.80x = 107,450,598,643,787.52
  5. Step 5: Solve for x
    x = 107,450,598,643,787.52/8,974,204.80
  6. Step 6: Final answer
    x = 11,973,272.40

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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.