Home / 8,072,119.60-11,132,671.56-6,820,936.72

Finding the Fourth Proportional to 8,072,119.60, 11,132,671.56 and 6,820,936.72

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Solution

The fourth proportional to 8,072,119.60, 11,132,671.56 and 6,820,936.72 is: 9,407,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,119.60 : 11,132,671.56 = 6,820,936.72 : x
  2. Step 2: Convert to fraction form
    8,072,119.60/11,132,671.56 = 6,820,936.72/x
  3. Step 3: Cross multiply
    8,072,119.60x = 11,132,671.56 × 6,820,936.72
  4. Step 4: Simplify right side
    8,072,119.60x = 75,935,248,235,303.69
  5. Step 5: Solve for x
    x = 75,935,248,235,303.69/8,072,119.60
  6. Step 6: Final answer
    x = 9,407,101.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.