Home / 13,108,109.84-19,671,081.24-8,043,963.92

Finding the Fourth Proportional to 13,108,109.84, 19,671,081.24 and 8,043,963.92

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Solution

The fourth proportional to 13,108,109.84, 19,671,081.24 and 8,043,963.92 is: 12,071,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,109.84 : 19,671,081.24 = 8,043,963.92 : x
  2. Step 2: Convert to fraction form
    13,108,109.84/19,671,081.24 = 8,043,963.92/x
  3. Step 3: Cross multiply
    13,108,109.84x = 19,671,081.24 × 8,043,963.92
  4. Step 4: Simplify right side
    13,108,109.84x = 158,233,467,761,948.84
  5. Step 5: Solve for x
    x = 158,233,467,761,948.84/13,108,109.84
  6. Step 6: Final answer
    x = 12,071,417.60

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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.