Home / 18,242,646.40-27,346,862.40-6,890,723.20

Finding the Fourth Proportional to 18,242,646.40, 27,346,862.40 and 6,890,723.20

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Solution

The fourth proportional to 18,242,646.40, 27,346,862.40 and 6,890,723.20 is: 10,329,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,646.40 : 27,346,862.40 = 6,890,723.20 : x
  2. Step 2: Convert to fraction form
    18,242,646.40/27,346,862.40 = 6,890,723.20/x
  3. Step 3: Cross multiply
    18,242,646.40x = 27,346,862.40 × 6,890,723.20
  4. Step 4: Simplify right side
    18,242,646.40x = 188,439,659,186,887.69
  5. Step 5: Solve for x
    x = 188,439,659,186,887.69/18,242,646.40
  6. Step 6: Final answer
    x = 10,329,622.96

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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.