Home / 10,572,079.60-15,858,119.40-7,383,433.60

Finding the Fourth Proportional to 10,572,079.60, 15,858,119.40 and 7,383,433.60

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Solution

The fourth proportional to 10,572,079.60, 15,858,119.40 and 7,383,433.60 is: 11,075,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,079.60 : 15,858,119.40 = 7,383,433.60 : x
  2. Step 2: Convert to fraction form
    10,572,079.60/15,858,119.40 = 7,383,433.60/x
  3. Step 3: Cross multiply
    10,572,079.60x = 15,858,119.40 × 7,383,433.60
  4. Step 4: Simplify right side
    10,572,079.60x = 117,087,371,610,771.84
  5. Step 5: Solve for x
    x = 117,087,371,610,771.84/10,572,079.60
  6. Step 6: Final answer
    x = 11,075,150.40

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Double scale
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Similar ratio
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1.5x scale

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.