Home / 14,970,855.15-20,659,903.65-8,265,403.80

Finding the Fourth Proportional to 14,970,855.15, 20,659,903.65 and 8,265,403.80

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Solution

The fourth proportional to 14,970,855.15, 20,659,903.65 and 8,265,403.80 is: 11,406,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970,855.15 : 20,659,903.65 = 8,265,403.80 : x
  2. Step 2: Convert to fraction form
    14,970,855.15/20,659,903.65 = 8,265,403.80/x
  3. Step 3: Cross multiply
    14,970,855.15x = 20,659,903.65 × 8,265,403.80
  4. Step 4: Simplify right side
    14,970,855.15x = 170,762,446,136,343.84
  5. Step 5: Solve for x
    x = 170,762,446,136,343.84/14,970,855.15
  6. Step 6: Final answer
    x = 11,406,325.45

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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.