Home / 28,916,346.76-43,315,470.73-16,143,654.40

Finding the Fourth Proportional to 28,916,346.76, 43,315,470.73 and 16,143,654.40

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Solution

The fourth proportional to 28,916,346.76, 43,315,470.73 and 16,143,654.40 is: 24,182,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916,346.76 : 43,315,470.73 = 16,143,654.40 : x
  2. Step 2: Convert to fraction form
    28,916,346.76/43,315,470.73 = 16,143,654.40/x
  3. Step 3: Cross multiply
    28,916,346.76x = 43,315,470.73 × 16,143,654.40
  4. Step 4: Simplify right side
    28,916,346.76x = 699,269,989,638,435.62
  5. Step 5: Solve for x
    x = 699,269,989,638,435.62/28,916,346.76
  6. Step 6: Final answer
    x = 24,182,515.01

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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.