Home / 12,335,052.47-18,506,781.86-3,699,362.21

Finding the Fourth Proportional to 12,335,052.47, 18,506,781.86 and 3,699,362.21

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Solution

The fourth proportional to 12,335,052.47, 18,506,781.86 and 3,699,362.21 is: 5,550,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,052.47 : 18,506,781.86 = 3,699,362.21 : x
  2. Step 2: Convert to fraction form
    12,335,052.47/18,506,781.86 = 3,699,362.21/x
  3. Step 3: Cross multiply
    12,335,052.47x = 18,506,781.86 × 3,699,362.21
  4. Step 4: Simplify right side
    12,335,052.47x = 68,463,289,330,566.80
  5. Step 5: Solve for x
    x = 68,463,289,330,566.80/12,335,052.47
  6. Step 6: Final answer
    x = 5,550,303.86

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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.