Home / 40,141,448.99-55,390,756.96-22,259,219.78

Finding the Fourth Proportional to 40,141,448.99, 55,390,756.96 and 22,259,219.78

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Solution

The fourth proportional to 40,141,448.99, 55,390,756.96 and 22,259,219.78 is: 30,715,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141,448.99 : 55,390,756.96 = 22,259,219.78 : x
  2. Step 2: Convert to fraction form
    40,141,448.99/55,390,756.96 = 22,259,219.78/x
  3. Step 3: Cross multiply
    40,141,448.99x = 55,390,756.96 × 22,259,219.78
  4. Step 4: Simplify right side
    40,141,448.99x = 1,232,955,032,994,275.25
  5. Step 5: Solve for x
    x = 1,232,955,032,994,275.25/40,141,448.99
  6. Step 6: Final answer
    x = 30,715,259.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.