Home / 22,628,533.65-31,230,667.31-12,706,530.18

Finding the Fourth Proportional to 22,628,533.65, 31,230,667.31 and 12,706,530.18

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Solution

The fourth proportional to 22,628,533.65, 31,230,667.31 and 12,706,530.18 is: 17,536,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628,533.65 : 31,230,667.31 = 12,706,530.18 : x
  2. Step 2: Convert to fraction form
    22,628,533.65/31,230,667.31 = 12,706,530.18/x
  3. Step 3: Cross multiply
    22,628,533.65x = 31,230,667.31 × 12,706,530.18
  4. Step 4: Simplify right side
    22,628,533.65x = 396,833,416,652,521.75
  5. Step 5: Solve for x
    x = 396,833,416,652,521.75/22,628,533.65
  6. Step 6: Final answer
    x = 17,536,859.56

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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.