Home / 18,001,096.20-27,001,644.30-13,218,127.20

Finding the Fourth Proportional to 18,001,096.20, 27,001,644.30 and 13,218,127.20

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Solution

The fourth proportional to 18,001,096.20, 27,001,644.30 and 13,218,127.20 is: 19,827,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001,096.20 : 27,001,644.30 = 13,218,127.20 : x
  2. Step 2: Convert to fraction form
    18,001,096.20/27,001,644.30 = 13,218,127.20/x
  3. Step 3: Cross multiply
    18,001,096.20x = 27,001,644.30 × 13,218,127.20
  4. Step 4: Simplify right side
    18,001,096.20x = 356,911,168,966,554.94
  5. Step 5: Solve for x
    x = 356,911,168,966,554.94/18,001,096.20
  6. Step 6: Final answer
    x = 19,827,190.80

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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.