Home / 10,888,420.80-16,332,631.20-5,580,004.80

Finding the Fourth Proportional to 10,888,420.80, 16,332,631.20 and 5,580,004.80

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Solution

The fourth proportional to 10,888,420.80, 16,332,631.20 and 5,580,004.80 is: 8,370,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,420.80 : 16,332,631.20 = 5,580,004.80 : x
  2. Step 2: Convert to fraction form
    10,888,420.80/16,332,631.20 = 5,580,004.80/x
  3. Step 3: Cross multiply
    10,888,420.80x = 16,332,631.20 × 5,580,004.80
  4. Step 4: Simplify right side
    10,888,420.80x = 91,136,160,492,629.75
  5. Step 5: Solve for x
    x = 91,136,160,492,629.75/10,888,420.80
  6. Step 6: Final answer
    x = 8,370,007.20

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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.