Home / 18,242,500.40-27,346,643.40-6,890,577.20

Finding the Fourth Proportional to 18,242,500.40, 27,346,643.40 and 6,890,577.20

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Solution

The fourth proportional to 18,242,500.40, 27,346,643.40 and 6,890,577.20 is: 10,329,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,500.40 : 27,346,643.40 = 6,890,577.20 : x
  2. Step 2: Convert to fraction form
    18,242,500.40/27,346,643.40 = 6,890,577.20/x
  3. Step 3: Cross multiply
    18,242,500.40x = 27,346,643.40 × 6,890,577.20
  4. Step 4: Simplify right side
    18,242,500.40x = 188,434,157,508,570.47
  5. Step 5: Solve for x
    x = 188,434,157,508,570.47/18,242,500.40
  6. Step 6: Final answer
    x = 10,329,404.05

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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.