Home / 40,271,690.47-60,409,923.03-12,610,781.47

Finding the Fourth Proportional to 40,271,690.47, 60,409,923.03 and 12,610,781.47

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Solution

The fourth proportional to 40,271,690.47, 60,409,923.03 and 12,610,781.47 is: 18,916,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,271,690.47 : 60,409,923.03 = 12,610,781.47 : x
  2. Step 2: Convert to fraction form
    40,271,690.47/60,409,923.03 = 12,610,781.47/x
  3. Step 3: Cross multiply
    40,271,690.47x = 60,409,923.03 × 12,610,781.47
  4. Step 4: Simplify right side
    40,271,690.47x = 761,816,337,950,850.25
  5. Step 5: Solve for x
    x = 761,816,337,950,850.25/40,271,690.47
  6. Step 6: Final answer
    x = 18,916,919.78

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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.