Home / 18,601,784.61-25,671,018.90-10,228,719.43

Finding the Fourth Proportional to 18,601,784.61, 25,671,018.90 and 10,228,719.43

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Solution

The fourth proportional to 18,601,784.61, 25,671,018.90 and 10,228,719.43 is: 14,115,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,784.61 : 25,671,018.90 = 10,228,719.43 : x
  2. Step 2: Convert to fraction form
    18,601,784.61/25,671,018.90 = 10,228,719.43/x
  3. Step 3: Cross multiply
    18,601,784.61x = 25,671,018.90 × 10,228,719.43
  4. Step 4: Simplify right side
    18,601,784.61x = 262,581,649,810,327.22
  5. Step 5: Solve for x
    x = 262,581,649,810,327.22/18,601,784.61
  6. Step 6: Final answer
    x = 14,115,938.62

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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.