Home / 40,022,111.30-60,039,133.36-12,729,294.44

Finding the Fourth Proportional to 40,022,111.30, 60,039,133.36 and 12,729,294.44

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Solution

The fourth proportional to 40,022,111.30, 60,039,133.36 and 12,729,294.44 is: 19,095,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022,111.30 : 60,039,133.36 = 12,729,294.44 : x
  2. Step 2: Convert to fraction form
    40,022,111.30/60,039,133.36 = 12,729,294.44/x
  3. Step 3: Cross multiply
    40,022,111.30x = 60,039,133.36 × 12,729,294.44
  4. Step 4: Simplify right side
    40,022,111.30x = 764,255,806,461,866.50
  5. Step 5: Solve for x
    x = 764,255,806,461,866.50/40,022,111.30
  6. Step 6: Final answer
    x = 19,095,839.32

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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.