Home / 30,325,963.22-45,442,656.68-18,005,665.40

Finding the Fourth Proportional to 30,325,963.22, 45,442,656.68 and 18,005,665.40

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Solution

The fourth proportional to 30,325,963.22, 45,442,656.68 and 18,005,665.40 is: 26,981,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325,963.22 : 45,442,656.68 = 18,005,665.40 : x
  2. Step 2: Convert to fraction form
    30,325,963.22/45,442,656.68 = 18,005,665.40/x
  3. Step 3: Cross multiply
    30,325,963.22x = 45,442,656.68 × 18,005,665.40
  4. Step 4: Simplify right side
    30,325,963.22x = 818,225,270,970,973.12
  5. Step 5: Solve for x
    x = 818,225,270,970,973.12/30,325,963.22
  6. Step 6: Final answer
    x = 26,981,015.08

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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.