Home / 12,015,016.80-18,014,554.80-6,626,248.80

Finding the Fourth Proportional to 12,015,016.80, 18,014,554.80 and 6,626,248.80

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Solution

The fourth proportional to 12,015,016.80, 18,014,554.80 and 6,626,248.80 is: 9,934,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,016.80 : 18,014,554.80 = 6,626,248.80 : x
  2. Step 2: Convert to fraction form
    12,015,016.80/18,014,554.80 = 6,626,248.80/x
  3. Step 3: Cross multiply
    12,015,016.80x = 18,014,554.80 × 6,626,248.80
  4. Step 4: Simplify right side
    12,015,016.80x = 119,368,922,126,034.23
  5. Step 5: Solve for x
    x = 119,368,922,126,034.23/12,015,016.80
  6. Step 6: Final answer
    x = 9,934,977.55

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1.5x scale

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.