Home / 13,923,869.02-20,890,079.56-6,646,614.90

Finding the Fourth Proportional to 13,923,869.02, 20,890,079.56 and 6,646,614.90

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Solution

The fourth proportional to 13,923,869.02, 20,890,079.56 and 6,646,614.90 is: 9,971,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923,869.02 : 20,890,079.56 = 6,646,614.90 : x
  2. Step 2: Convert to fraction form
    13,923,869.02/20,890,079.56 = 6,646,614.90/x
  3. Step 3: Cross multiply
    13,923,869.02x = 20,890,079.56 × 6,646,614.90
  4. Step 4: Simplify right side
    13,923,869.02x = 138,848,314,065,681.44
  5. Step 5: Solve for x
    x = 138,848,314,065,681.44/13,923,869.02
  6. Step 6: Final answer
    x = 9,971,963.53

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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.