Home / 8,765,355.40-13,141,812.30-3,371,921.80

Finding the Fourth Proportional to 8,765,355.40, 13,141,812.30 and 3,371,921.80

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Solution

The fourth proportional to 8,765,355.40, 13,141,812.30 and 3,371,921.80 is: 5,055,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765,355.40 : 13,141,812.30 = 3,371,921.80 : x
  2. Step 2: Convert to fraction form
    8,765,355.40/13,141,812.30 = 3,371,921.80/x
  3. Step 3: Cross multiply
    8,765,355.40x = 13,141,812.30 × 3,371,921.80
  4. Step 4: Simplify right side
    8,765,355.40x = 44,313,163,385,878.14
  5. Step 5: Solve for x
    x = 44,313,163,385,878.14/8,765,355.40
  6. Step 6: Final answer
    x = 5,055,489.64

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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.