Home / 10,752,274.40-16,128,411.60-7,346,040.80

Finding the Fourth Proportional to 10,752,274.40, 16,128,411.60 and 7,346,040.80

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Solution

The fourth proportional to 10,752,274.40, 16,128,411.60 and 7,346,040.80 is: 11,019,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,274.40 : 16,128,411.60 = 7,346,040.80 : x
  2. Step 2: Convert to fraction form
    10,752,274.40/16,128,411.60 = 7,346,040.80/x
  3. Step 3: Cross multiply
    10,752,274.40x = 16,128,411.60 × 7,346,040.80
  4. Step 4: Simplify right side
    10,752,274.40x = 118,479,969,652,793.28
  5. Step 5: Solve for x
    x = 118,479,969,652,793.28/10,752,274.40
  6. Step 6: Final answer
    x = 11,019,061.20

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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.