Home / 20,232,313.20-30,348,469.80-18,106,549.20

Finding the Fourth Proportional to 20,232,313.20, 30,348,469.80 and 18,106,549.20

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Solution

The fourth proportional to 20,232,313.20, 30,348,469.80 and 18,106,549.20 is: 27,159,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,313.20 : 30,348,469.80 = 18,106,549.20 : x
  2. Step 2: Convert to fraction form
    20,232,313.20/30,348,469.80 = 18,106,549.20/x
  3. Step 3: Cross multiply
    20,232,313.20x = 30,348,469.80 × 18,106,549.20
  4. Step 4: Simplify right side
    20,232,313.20x = 549,506,061,578,414.12
  5. Step 5: Solve for x
    x = 549,506,061,578,414.12/20,232,313.20
  6. Step 6: Final answer
    x = 27,159,823.80

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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.