Home / 10,449,010.70-15,673,516.05-7,047,788.30

Finding the Fourth Proportional to 10,449,010.70, 15,673,516.05 and 7,047,788.30

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Solution

The fourth proportional to 10,449,010.70, 15,673,516.05 and 7,047,788.30 is: 10,571,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449,010.70 : 15,673,516.05 = 7,047,788.30 : x
  2. Step 2: Convert to fraction form
    10,449,010.70/15,673,516.05 = 7,047,788.30/x
  3. Step 3: Cross multiply
    10,449,010.70x = 15,673,516.05 × 7,047,788.30
  4. Step 4: Simplify right side
    10,449,010.70x = 110,463,623,037,052.22
  5. Step 5: Solve for x
    x = 110,463,623,037,052.22/10,449,010.70
  6. Step 6: Final answer
    x = 10,571,682.45

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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.