Home / 18,086,693.40-27,130,040.10-6,119,429.40

Finding the Fourth Proportional to 18,086,693.40, 27,130,040.10 and 6,119,429.40

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Solution

The fourth proportional to 18,086,693.40, 27,130,040.10 and 6,119,429.40 is: 9,179,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,693.40 : 27,130,040.10 = 6,119,429.40 : x
  2. Step 2: Convert to fraction form
    18,086,693.40/27,130,040.10 = 6,119,429.40/x
  3. Step 3: Cross multiply
    18,086,693.40x = 27,130,040.10 × 6,119,429.40
  4. Step 4: Simplify right side
    18,086,693.40x = 166,020,365,011,118.97
  5. Step 5: Solve for x
    x = 166,020,365,011,118.97/18,086,693.40
  6. Step 6: Final answer
    x = 9,179,144.10

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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.