Home / 10,875,361.88-16,313,041.56-5,178,314.36

Finding the Fourth Proportional to 10,875,361.88, 16,313,041.56 and 5,178,314.36

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Solution

The fourth proportional to 10,875,361.88, 16,313,041.56 and 5,178,314.36 is: 7,767,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,361.88 : 16,313,041.56 = 5,178,314.36 : x
  2. Step 2: Convert to fraction form
    10,875,361.88/16,313,041.56 = 5,178,314.36/x
  3. Step 3: Cross multiply
    10,875,361.88x = 16,313,041.56 × 5,178,314.36
  4. Step 4: Simplify right side
    10,875,361.88x = 84,474,057,365,424.81
  5. Step 5: Solve for x
    x = 84,474,057,365,424.81/10,875,361.88
  6. Step 6: Final answer
    x = 7,767,470.94

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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.