Home / 10,368,371.20-15,552,556.80-9,323,276.80

Finding the Fourth Proportional to 10,368,371.20, 15,552,556.80 and 9,323,276.80

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Solution

The fourth proportional to 10,368,371.20, 15,552,556.80 and 9,323,276.80 is: 13,984,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,371.20 : 15,552,556.80 = 9,323,276.80 : x
  2. Step 2: Convert to fraction form
    10,368,371.20/15,552,556.80 = 9,323,276.80/x
  3. Step 3: Cross multiply
    10,368,371.20x = 15,552,556.80 × 9,323,276.80
  4. Step 4: Simplify right side
    10,368,371.20x = 145,000,791,994,122.25
  5. Step 5: Solve for x
    x = 145,000,791,994,122.25/10,368,371.20
  6. Step 6: Final answer
    x = 13,984,915.20

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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.