Home / 12,451,738.60-18,677,607.90-4,876,186.60

Finding the Fourth Proportional to 12,451,738.60, 18,677,607.90 and 4,876,186.60

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Solution

The fourth proportional to 12,451,738.60, 18,677,607.90 and 4,876,186.60 is: 7,314,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,738.60 : 18,677,607.90 = 4,876,186.60 : x
  2. Step 2: Convert to fraction form
    12,451,738.60/18,677,607.90 = 4,876,186.60/x
  3. Step 3: Cross multiply
    12,451,738.60x = 18,677,607.90 × 4,876,186.60
  4. Step 4: Simplify right side
    12,451,738.60x = 91,075,501,362,034.12
  5. Step 5: Solve for x
    x = 91,075,501,362,034.12/12,451,738.60
  6. Step 6: Final answer
    x = 7,314,279.90

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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.