Home / 28,407,176.40-42,585,881.40-17,052,142.80

Finding the Fourth Proportional to 28,407,176.40, 42,585,881.40 and 17,052,142.80

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Solution

The fourth proportional to 28,407,176.40, 42,585,881.40 and 17,052,142.80 is: 25,563,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407,176.40 : 42,585,881.40 = 17,052,142.80 : x
  2. Step 2: Convert to fraction form
    28,407,176.40/42,585,881.40 = 17,052,142.80/x
  3. Step 3: Cross multiply
    28,407,176.40x = 42,585,881.40 × 17,052,142.80
  4. Step 4: Simplify right side
    28,407,176.40x = 726,180,530,896,663.88
  5. Step 5: Solve for x
    x = 726,180,530,896,663.88/28,407,176.40
  6. Step 6: Final answer
    x = 25,563,277.42

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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.