Home / 13,411,358.80-20,105,665.80-4,886,724.40

Finding the Fourth Proportional to 13,411,358.80, 20,105,665.80 and 4,886,724.40

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Solution

The fourth proportional to 13,411,358.80, 20,105,665.80 and 4,886,724.40 is: 7,325,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,358.80 : 20,105,665.80 = 4,886,724.40 : x
  2. Step 2: Convert to fraction form
    13,411,358.80/20,105,665.80 = 4,886,724.40/x
  3. Step 3: Cross multiply
    13,411,358.80x = 20,105,665.80 × 4,886,724.40
  4. Step 4: Simplify right side
    13,411,358.80x = 98,250,847,643,105.53
  5. Step 5: Solve for x
    x = 98,250,847,643,105.53/13,411,358.80
  6. Step 6: Final answer
    x = 7,325,942.82

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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.