Home / 12,356,051.20-18,546,518.40-5,971,436.80

Finding the Fourth Proportional to 12,356,051.20, 18,546,518.40 and 5,971,436.80

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Solution

The fourth proportional to 12,356,051.20, 18,546,518.40 and 5,971,436.80 is: 8,963,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,051.20 : 18,546,518.40 = 5,971,436.80 : x
  2. Step 2: Convert to fraction form
    12,356,051.20/18,546,518.40 = 5,971,436.80/x
  3. Step 3: Cross multiply
    12,356,051.20x = 18,546,518.40 × 5,971,436.80
  4. Step 4: Simplify right side
    12,356,051.20x = 110,749,362,485,637.11
  5. Step 5: Solve for x
    x = 110,749,362,485,637.11/12,356,051.20
  6. Step 6: Final answer
    x = 8,963,167.98

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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.