Home / 8,889,783.40-13,334,675.10-7,965,994.60

Finding the Fourth Proportional to 8,889,783.40, 13,334,675.10 and 7,965,994.60

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Solution

The fourth proportional to 8,889,783.40, 13,334,675.10 and 7,965,994.60 is: 11,948,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,783.40 : 13,334,675.10 = 7,965,994.60 : x
  2. Step 2: Convert to fraction form
    8,889,783.40/13,334,675.10 = 7,965,994.60/x
  3. Step 3: Cross multiply
    8,889,783.40x = 13,334,675.10 × 7,965,994.60
  4. Step 4: Simplify right side
    8,889,783.40x = 106,223,949,839,354.45
  5. Step 5: Solve for x
    x = 106,223,949,839,354.45/8,889,783.40
  6. Step 6: Final answer
    x = 11,948,991.90

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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.