Home / 10,754,038.40-16,131,057.60-8,066,652.80

Finding the Fourth Proportional to 10,754,038.40, 16,131,057.60 and 8,066,652.80

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Solution

The fourth proportional to 10,754,038.40, 16,131,057.60 and 8,066,652.80 is: 12,099,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,038.40 : 16,131,057.60 = 8,066,652.80 : x
  2. Step 2: Convert to fraction form
    10,754,038.40/16,131,057.60 = 8,066,652.80/x
  3. Step 3: Cross multiply
    10,754,038.40x = 16,131,057.60 × 8,066,652.80
  4. Step 4: Simplify right side
    10,754,038.40x = 130,123,640,956,001.28
  5. Step 5: Solve for x
    x = 130,123,640,956,001.28/10,754,038.40
  6. Step 6: Final answer
    x = 12,099,979.20

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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.