Home / 13,655,582.52-20,486,424.60-5,135,992.80

Finding the Fourth Proportional to 13,655,582.52, 20,486,424.60 and 5,135,992.80

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Solution

The fourth proportional to 13,655,582.52, 20,486,424.60 and 5,135,992.80 is: 7,705,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,582.52 : 20,486,424.60 = 5,135,992.80 : x
  2. Step 2: Convert to fraction form
    13,655,582.52/20,486,424.60 = 5,135,992.80/x
  3. Step 3: Cross multiply
    13,655,582.52x = 20,486,424.60 × 5,135,992.80
  4. Step 4: Simplify right side
    13,655,582.52x = 105,218,129,243,342.89
  5. Step 5: Solve for x
    x = 105,218,129,243,342.89/13,655,582.52
  6. Step 6: Final answer
    x = 7,705,136.64

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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.