Home / 28,510,040.30-39,344,685.60-16,119,867.71

Finding the Fourth Proportional to 28,510,040.30, 39,344,685.60 and 16,119,867.71

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Solution

The fourth proportional to 28,510,040.30, 39,344,685.60 and 16,119,867.71 is: 22,245,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,040.30 : 39,344,685.60 = 16,119,867.71 : x
  2. Step 2: Convert to fraction form
    28,510,040.30/39,344,685.60 = 16,119,867.71/x
  3. Step 3: Cross multiply
    28,510,040.30x = 39,344,685.60 × 16,119,867.71
  4. Step 4: Simplify right side
    28,510,040.30x = 634,231,126,963,542
  5. Step 5: Solve for x
    x = 634,231,126,963,542/28,510,040.30
  6. Step 6: Final answer
    x = 22,245,886.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.