Home / 28,510,039.30-39,344,684.22-16,119,866.71

Finding the Fourth Proportional to 28,510,039.30, 39,344,684.22 and 16,119,866.71

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Solution

The fourth proportional to 28,510,039.30, 39,344,684.22 and 16,119,866.71 is: 22,245,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,039.30 : 39,344,684.22 = 16,119,866.71 : x
  2. Step 2: Convert to fraction form
    28,510,039.30/39,344,684.22 = 16,119,866.71/x
  3. Step 3: Cross multiply
    28,510,039.30x = 39,344,684.22 × 16,119,866.71
  4. Step 4: Simplify right side
    28,510,039.30x = 634,231,065,373,440.38
  5. Step 5: Solve for x
    x = 634,231,065,373,440.38/28,510,039.30
  6. Step 6: Final answer
    x = 22,245,885.34

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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.