Home / 12,660,017.40-18,988,037.84-4,022,980.71

Finding the Fourth Proportional to 12,660,017.40, 18,988,037.84 and 4,022,980.71

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Solution

The fourth proportional to 12,660,017.40, 18,988,037.84 and 4,022,980.71 is: 6,033,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,017.40 : 18,988,037.84 = 4,022,980.71 : x
  2. Step 2: Convert to fraction form
    12,660,017.40/18,988,037.84 = 4,022,980.71/x
  3. Step 3: Cross multiply
    12,660,017.40x = 18,988,037.84 × 4,022,980.71
  4. Step 4: Simplify right side
    12,660,017.40x = 76,388,509,930,955.17
  5. Step 5: Solve for x
    x = 76,388,509,930,955.17/12,660,017.40
  6. Step 6: Final answer
    x = 6,033,839.25

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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.