Home / 40,320,331.70-60,480,497.55-13,393,987.70

Finding the Fourth Proportional to 40,320,331.70, 60,480,497.55 and 13,393,987.70

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Solution

The fourth proportional to 40,320,331.70, 60,480,497.55 and 13,393,987.70 is: 20,090,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320,331.70 : 60,480,497.55 = 13,393,987.70 : x
  2. Step 2: Convert to fraction form
    40,320,331.70/60,480,497.55 = 13,393,987.70/x
  3. Step 3: Cross multiply
    40,320,331.70x = 60,480,497.55 × 13,393,987.70
  4. Step 4: Simplify right side
    40,320,331.70x = 810,075,040,274,580
  5. Step 5: Solve for x
    x = 810,075,040,274,580/40,320,331.70
  6. Step 6: Final answer
    x = 20,090,981.55

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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.