Home / 18,904,950-28,360,417.14-6,774,145.38

Finding the Fourth Proportional to 18,904,950, 28,360,417.14 and 6,774,145.38

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Solution

The fourth proportional to 18,904,950, 28,360,417.14 and 6,774,145.38 is: 10,162,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,950 : 28,360,417.14 = 6,774,145.38 : x
  2. Step 2: Convert to fraction form
    18,904,950/28,360,417.14 = 6,774,145.38/x
  3. Step 3: Cross multiply
    18,904,950x = 28,360,417.14 × 6,774,145.38
  4. Step 4: Simplify right side
    18,904,950x = 192,117,588,743,803.81
  5. Step 5: Solve for x
    x = 192,117,588,743,803.81/18,904,950
  6. Step 6: Final answer
    x = 10,162,290.23

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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.