Home / 8,736,199.20-13,112,074.80-5,137,466.40

Finding the Fourth Proportional to 8,736,199.20, 13,112,074.80 and 5,137,466.40

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Solution

The fourth proportional to 8,736,199.20, 13,112,074.80 and 5,137,466.40 is: 7,710,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,199.20 : 13,112,074.80 = 5,137,466.40 : x
  2. Step 2: Convert to fraction form
    8,736,199.20/13,112,074.80 = 5,137,466.40/x
  3. Step 3: Cross multiply
    8,736,199.20x = 13,112,074.80 × 5,137,466.40
  4. Step 4: Simplify right side
    8,736,199.20x = 67,362,843,719,286.73
  5. Step 5: Solve for x
    x = 67,362,843,719,286.73/8,736,199.20
  6. Step 6: Final answer
    x = 7,710,772.41

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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.