Home / 28,513,268.86-39,349,084.73-16,125,214.78

Finding the Fourth Proportional to 28,513,268.86, 39,349,084.73 and 16,125,214.78

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Solution

The fourth proportional to 28,513,268.86, 39,349,084.73 and 16,125,214.78 is: 22,253,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513,268.86 : 39,349,084.73 = 16,125,214.78 : x
  2. Step 2: Convert to fraction form
    28,513,268.86/39,349,084.73 = 16,125,214.78/x
  3. Step 3: Cross multiply
    28,513,268.86x = 39,349,084.73 × 16,125,214.78
  4. Step 4: Simplify right side
    28,513,268.86x = 634,512,442,622,918.62
  5. Step 5: Solve for x
    x = 634,512,442,622,918.62/28,513,268.86
  6. Step 6: Final answer
    x = 22,253,233.95

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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.