Home / 10,752,330.40-16,128,495.60-6,945,200.80

Finding the Fourth Proportional to 10,752,330.40, 16,128,495.60 and 6,945,200.80

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Solution

The fourth proportional to 10,752,330.40, 16,128,495.60 and 6,945,200.80 is: 10,417,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,330.40 : 16,128,495.60 = 6,945,200.80 : x
  2. Step 2: Convert to fraction form
    10,752,330.40/16,128,495.60 = 6,945,200.80/x
  3. Step 3: Cross multiply
    10,752,330.40x = 16,128,495.60 × 6,945,200.80
  4. Step 4: Simplify right side
    10,752,330.40x = 112,015,640,543,916.47
  5. Step 5: Solve for x
    x = 112,015,640,543,916.47/10,752,330.40
  6. Step 6: Final answer
    x = 10,417,801.20

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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.