Home / 13,763,671.79-18,989,218.04-7,802,439.06

Finding the Fourth Proportional to 13,763,671.79, 18,989,218.04 and 7,802,439.06

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Solution

The fourth proportional to 13,763,671.79, 18,989,218.04 and 7,802,439.06 is: 10,764,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,671.79 : 18,989,218.04 = 7,802,439.06 : x
  2. Step 2: Convert to fraction form
    13,763,671.79/18,989,218.04 = 7,802,439.06/x
  3. Step 3: Cross multiply
    13,763,671.79x = 18,989,218.04 × 7,802,439.06
  4. Step 4: Simplify right side
    13,763,671.79x = 148,162,216,523,424.38
  5. Step 5: Solve for x
    x = 148,162,216,523,424.38/13,763,671.79
  6. Step 6: Final answer
    x = 10,764,730.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.