Home / 15,765,705.60-23,652,057.60-7,243,987.20

Finding the Fourth Proportional to 15,765,705.60, 23,652,057.60 and 7,243,987.20

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Solution

The fourth proportional to 15,765,705.60, 23,652,057.60 and 7,243,987.20 is: 10,867,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,705.60 : 23,652,057.60 = 7,243,987.20 : x
  2. Step 2: Convert to fraction form
    15,765,705.60/23,652,057.60 = 7,243,987.20/x
  3. Step 3: Cross multiply
    15,765,705.60x = 23,652,057.60 × 7,243,987.20
  4. Step 4: Simplify right side
    15,765,705.60x = 171,335,202,508,062.75
  5. Step 5: Solve for x
    x = 171,335,202,508,062.75/15,765,705.60
  6. Step 6: Final answer
    x = 10,867,588.60

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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.