Home / 10,301,817.96-15,453,056.21-5,181,453.18

Finding the Fourth Proportional to 10,301,817.96, 15,453,056.21 and 5,181,453.18

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Solution

The fourth proportional to 10,301,817.96, 15,453,056.21 and 5,181,453.18 is: 7,772,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301,817.96 : 15,453,056.21 = 5,181,453.18 : x
  2. Step 2: Convert to fraction form
    10,301,817.96/15,453,056.21 = 5,181,453.18/x
  3. Step 3: Cross multiply
    10,301,817.96x = 15,453,056.21 × 5,181,453.18
  4. Step 4: Simplify right side
    10,301,817.96x = 80,069,287,214,115.98
  5. Step 5: Solve for x
    x = 80,069,287,214,115.98/10,301,817.96
  6. Step 6: Final answer
    x = 7,772,345.38

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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.