Home / 21,806,724.80-32,709,795.60-6,660,729.20

Finding the Fourth Proportional to 21,806,724.80, 32,709,795.60 and 6,660,729.20

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Solution

The fourth proportional to 21,806,724.80, 32,709,795.60 and 6,660,729.20 is: 9,991,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,724.80 : 32,709,795.60 = 6,660,729.20 : x
  2. Step 2: Convert to fraction form
    21,806,724.80/32,709,795.60 = 6,660,729.20/x
  3. Step 3: Cross multiply
    21,806,724.80x = 32,709,795.60 × 6,660,729.20
  4. Step 4: Simplify right side
    21,806,724.80x = 217,871,090,678,951.53
  5. Step 5: Solve for x
    x = 217,871,090,678,951.53/21,806,724.80
  6. Step 6: Final answer
    x = 9,991,004.73

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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.