Home / 12,462,389.40-18,693,584.10-11,846,530.20

Finding the Fourth Proportional to 12,462,389.40, 18,693,584.10 and 11,846,530.20

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Solution

The fourth proportional to 12,462,389.40, 18,693,584.10 and 11,846,530.20 is: 17,769,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,389.40 : 18,693,584.10 = 11,846,530.20 : x
  2. Step 2: Convert to fraction form
    12,462,389.40/18,693,584.10 = 11,846,530.20/x
  3. Step 3: Cross multiply
    12,462,389.40x = 18,693,584.10 × 11,846,530.20
  4. Step 4: Simplify right side
    12,462,389.40x = 221,454,108,586,889.81
  5. Step 5: Solve for x
    x = 221,454,108,586,889.81/12,462,389.40
  6. Step 6: Final answer
    x = 17,769,795.30

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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.