Home / 18,109,818.20-27,196,220.10-9,606,762.20

Finding the Fourth Proportional to 18,109,818.20, 27,196,220.10 and 9,606,762.20

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Solution

The fourth proportional to 18,109,818.20, 27,196,220.10 and 9,606,762.20 is: 14,426,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,818.20 : 27,196,220.10 = 9,606,762.20 : x
  2. Step 2: Convert to fraction form
    18,109,818.20/27,196,220.10 = 9,606,762.20/x
  3. Step 3: Cross multiply
    18,109,818.20x = 27,196,220.10 × 9,606,762.20
  4. Step 4: Simplify right side
    18,109,818.20x = 261,267,619,239,560.22
  5. Step 5: Solve for x
    x = 261,267,619,239,560.22/18,109,818.20
  6. Step 6: Final answer
    x = 14,426,849.37

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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.