Home / 18,477,678.09-25,499,360.76-10,218,299.25

Finding the Fourth Proportional to 18,477,678.09, 25,499,360.76 and 10,218,299.25

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Solution

The fourth proportional to 18,477,678.09, 25,499,360.76 and 10,218,299.25 is: 14,101,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,678.09 : 25,499,360.76 = 10,218,299.25 : x
  2. Step 2: Convert to fraction form
    18,477,678.09/25,499,360.76 = 10,218,299.25/x
  3. Step 3: Cross multiply
    18,477,678.09x = 25,499,360.76 × 10,218,299.25
  4. Step 4: Simplify right side
    18,477,678.09x = 260,560,098,929,387.44
  5. Step 5: Solve for x
    x = 260,560,098,929,387.44/18,477,678.09
  6. Step 6: Final answer
    x = 14,101,344.21

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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.