Home / 12,356,005.80-18,534,008.70-3,837,203.40

Finding the Fourth Proportional to 12,356,005.80, 18,534,008.70 and 3,837,203.40

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Solution

The fourth proportional to 12,356,005.80, 18,534,008.70 and 3,837,203.40 is: 5,755,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,005.80 : 18,534,008.70 = 3,837,203.40 : x
  2. Step 2: Convert to fraction form
    12,356,005.80/18,534,008.70 = 3,837,203.40/x
  3. Step 3: Cross multiply
    12,356,005.80x = 18,534,008.70 × 3,837,203.40
  4. Step 4: Simplify right side
    12,356,005.80x = 71,118,761,199,269.58
  5. Step 5: Solve for x
    x = 71,118,761,199,269.58/12,356,005.80
  6. Step 6: Final answer
    x = 5,755,805.10

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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.