Home / 12,561,350.40-18,842,025.60-6,170,280.30

Finding the Fourth Proportional to 12,561,350.40, 18,842,025.60 and 6,170,280.30

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Solution

The fourth proportional to 12,561,350.40, 18,842,025.60 and 6,170,280.30 is: 9,255,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,350.40 : 18,842,025.60 = 6,170,280.30 : x
  2. Step 2: Convert to fraction form
    12,561,350.40/18,842,025.60 = 6,170,280.30/x
  3. Step 3: Cross multiply
    12,561,350.40x = 18,842,025.60 × 6,170,280.30
  4. Step 4: Simplify right side
    12,561,350.40x = 116,260,579,371,775.69
  5. Step 5: Solve for x
    x = 116,260,579,371,775.69/12,561,350.40
  6. Step 6: Final answer
    x = 9,255,420.45

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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.