Home / 13,561,291.92-18,714,784.20-7,366,459.44

Finding the Fourth Proportional to 13,561,291.92, 18,714,784.20 and 7,366,459.44

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Solution

The fourth proportional to 13,561,291.92, 18,714,784.20 and 7,366,459.44 is: 10,165,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,291.92 : 18,714,784.20 = 7,366,459.44 : x
  2. Step 2: Convert to fraction form
    13,561,291.92/18,714,784.20 = 7,366,459.44/x
  3. Step 3: Cross multiply
    13,561,291.92x = 18,714,784.20 × 7,366,459.44
  4. Step 4: Simplify right side
    13,561,291.92x = 137,861,698,737,652.84
  5. Step 5: Solve for x
    x = 137,861,698,737,652.84/13,561,291.92
  6. Step 6: Final answer
    x = 10,165,823.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.