Home / 12,757,288.40-17,606,551.80-7,251,491.60

Finding the Fourth Proportional to 12,757,288.40, 17,606,551.80 and 7,251,491.60

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Solution

The fourth proportional to 12,757,288.40, 17,606,551.80 and 7,251,491.60 is: 10,007,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,288.40 : 17,606,551.80 = 7,251,491.60 : x
  2. Step 2: Convert to fraction form
    12,757,288.40/17,606,551.80 = 7,251,491.60/x
  3. Step 3: Cross multiply
    12,757,288.40x = 17,606,551.80 × 7,251,491.60
  4. Step 4: Simplify right side
    12,757,288.40x = 127,673,762,482,664.88
  5. Step 5: Solve for x
    x = 127,673,762,482,664.88/12,757,288.40
  6. Step 6: Final answer
    x = 10,007,907.52

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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.