Home / 13,774,583.40-20,661,875.10-7,802,615.40

Finding the Fourth Proportional to 13,774,583.40, 20,661,875.10 and 7,802,615.40

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Solution

The fourth proportional to 13,774,583.40, 20,661,875.10 and 7,802,615.40 is: 11,703,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,583.40 : 20,661,875.10 = 7,802,615.40 : x
  2. Step 2: Convert to fraction form
    13,774,583.40/20,661,875.10 = 7,802,615.40/x
  3. Step 3: Cross multiply
    13,774,583.40x = 20,661,875.10 × 7,802,615.40
  4. Step 4: Simplify right side
    13,774,583.40x = 161,216,664,848,136.56
  5. Step 5: Solve for x
    x = 161,216,664,848,136.56/13,774,583.40
  6. Step 6: Final answer
    x = 11,703,923.10

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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.