Home / 18,186,619.80-27,290,427.30-6,828,216.60

Finding the Fourth Proportional to 18,186,619.80, 27,290,427.30 and 6,828,216.60

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Solution

The fourth proportional to 18,186,619.80, 27,290,427.30 and 6,828,216.60 is: 10,246,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186,619.80 : 27,290,427.30 = 6,828,216.60 : x
  2. Step 2: Convert to fraction form
    18,186,619.80/27,290,427.30 = 6,828,216.60/x
  3. Step 3: Cross multiply
    18,186,619.80x = 27,290,427.30 × 6,828,216.60
  4. Step 4: Simplify right side
    18,186,619.80x = 186,344,948,710,953.19
  5. Step 5: Solve for x
    x = 186,344,948,710,953.19/18,186,619.80
  6. Step 6: Final answer
    x = 10,246,266.25

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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.