Home / 18,162,849.60-25,064,927.96-9,902,844.41

Finding the Fourth Proportional to 18,162,849.60, 25,064,927.96 and 9,902,844.41

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Solution

The fourth proportional to 18,162,849.60, 25,064,927.96 and 9,902,844.41 is: 13,666,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,849.60 : 25,064,927.96 = 9,902,844.41 : x
  2. Step 2: Convert to fraction form
    18,162,849.60/25,064,927.96 = 9,902,844.41/x
  3. Step 3: Cross multiply
    18,162,849.60x = 25,064,927.96 × 9,902,844.41
  4. Step 4: Simplify right side
    18,162,849.60x = 248,214,081,560,899.81
  5. Step 5: Solve for x
    x = 248,214,081,560,899.81/18,162,849.60
  6. Step 6: Final answer
    x = 13,666,031.87

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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.