Home / 13,699,983.60-20,535,142.68-8,911,095.12

Finding the Fourth Proportional to 13,699,983.60, 20,535,142.68 and 8,911,095.12

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Solution

The fourth proportional to 13,699,983.60, 20,535,142.68 and 8,911,095.12 is: 13,356,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699,983.60 : 20,535,142.68 = 8,911,095.12 : x
  2. Step 2: Convert to fraction form
    13,699,983.60/20,535,142.68 = 8,911,095.12/x
  3. Step 3: Cross multiply
    13,699,983.60x = 20,535,142.68 × 8,911,095.12
  4. Step 4: Simplify right side
    13,699,983.60x = 182,990,609,724,251.69
  5. Step 5: Solve for x
    x = 182,990,609,724,251.69/13,699,983.60
  6. Step 6: Final answer
    x = 13,356,994.80

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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.