Home / 10,932,487.40-16,403,396.70-5,249,786.60

Finding the Fourth Proportional to 10,932,487.40, 16,403,396.70 and 5,249,786.60

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Solution

The fourth proportional to 10,932,487.40, 16,403,396.70 and 5,249,786.60 is: 7,876,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932,487.40 : 16,403,396.70 = 5,249,786.60 : x
  2. Step 2: Convert to fraction form
    10,932,487.40/16,403,396.70 = 5,249,786.60/x
  3. Step 3: Cross multiply
    10,932,487.40x = 16,403,396.70 × 5,249,786.60
  4. Step 4: Simplify right side
    10,932,487.40x = 86,114,332,190,144.20
  5. Step 5: Solve for x
    x = 86,114,332,190,144.20/10,932,487.40
  6. Step 6: Final answer
    x = 7,876,920.32

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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.