Home / 13,116,822.80-19,675,234.20-12,109,053.20

Finding the Fourth Proportional to 13,116,822.80, 19,675,234.20 and 12,109,053.20

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Solution

The fourth proportional to 13,116,822.80, 19,675,234.20 and 12,109,053.20 is: 18,163,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,822.80 : 19,675,234.20 = 12,109,053.20 : x
  2. Step 2: Convert to fraction form
    13,116,822.80/19,675,234.20 = 12,109,053.20/x
  3. Step 3: Cross multiply
    13,116,822.80x = 19,675,234.20 × 12,109,053.20
  4. Step 4: Simplify right side
    13,116,822.80x = 238,248,457,650,259.41
  5. Step 5: Solve for x
    x = 238,248,457,650,259.41/13,116,822.80
  6. Step 6: Final answer
    x = 18,163,579.80

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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.