Home / 12,155,512.39-16,774,409.72-6,648,839.07

Finding the Fourth Proportional to 12,155,512.39, 16,774,409.72 and 6,648,839.07

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Solution

The fourth proportional to 12,155,512.39, 16,774,409.72 and 6,648,839.07 is: 9,175,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,512.39 : 16,774,409.72 = 6,648,839.07 : x
  2. Step 2: Convert to fraction form
    12,155,512.39/16,774,409.72 = 6,648,839.07/x
  3. Step 3: Cross multiply
    12,155,512.39x = 16,774,409.72 × 6,648,839.07
  4. Step 4: Simplify right side
    12,155,512.39x = 111,530,350,739,526.64
  5. Step 5: Solve for x
    x = 111,530,350,739,526.64/12,155,512.39
  6. Step 6: Final answer
    x = 9,175,289.96

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1.5x scale

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.