Home / 27,232,340.40-40,812,643.80-20,009,991.60

Finding the Fourth Proportional to 27,232,340.40, 40,812,643.80 and 20,009,991.60

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Solution

The fourth proportional to 27,232,340.40, 40,812,643.80 and 20,009,991.60 is: 29,988,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,232,340.40 : 40,812,643.80 = 20,009,991.60 : x
  2. Step 2: Convert to fraction form
    27,232,340.40/40,812,643.80 = 20,009,991.60/x
  3. Step 3: Cross multiply
    27,232,340.40x = 40,812,643.80 × 20,009,991.60
  4. Step 4: Simplify right side
    27,232,340.40x = 816,660,659,611,792.12
  5. Step 5: Solve for x
    x = 816,660,659,611,792.12/27,232,340.40
  6. Step 6: Final answer
    x = 29,988,632.91

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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.