Home / 13,772,719.40-20,659,079.10-4,685,078.30

Finding the Fourth Proportional to 13,772,719.40, 20,659,079.10 and 4,685,078.30

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Solution

The fourth proportional to 13,772,719.40, 20,659,079.10 and 4,685,078.30 is: 7,027,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,719.40 : 20,659,079.10 = 4,685,078.30 : x
  2. Step 2: Convert to fraction form
    13,772,719.40/20,659,079.10 = 4,685,078.30/x
  3. Step 3: Cross multiply
    13,772,719.40x = 20,659,079.10 × 4,685,078.30
  4. Step 4: Simplify right side
    13,772,719.40x = 96,789,403,189,393.53
  5. Step 5: Solve for x
    x = 96,789,403,189,393.53/13,772,719.40
  6. Step 6: Final answer
    x = 7,027,617.45

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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.