Home / 7,875,003.70-11,812,505.55-5,961,816.10

Finding the Fourth Proportional to 7,875,003.70, 11,812,505.55 and 5,961,816.10

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Solution

The fourth proportional to 7,875,003.70, 11,812,505.55 and 5,961,816.10 is: 8,942,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,003.70 : 11,812,505.55 = 5,961,816.10 : x
  2. Step 2: Convert to fraction form
    7,875,003.70/11,812,505.55 = 5,961,816.10/x
  3. Step 3: Cross multiply
    7,875,003.70x = 11,812,505.55 × 5,961,816.10
  4. Step 4: Simplify right side
    7,875,003.70x = 70,423,985,769,329.36
  5. Step 5: Solve for x
    x = 70,423,985,769,329.36/7,875,003.70
  6. Step 6: Final answer
    x = 8,942,724.15

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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.