Home / 10,245,254.94-15,340,342.68-7,804,781.64

Finding the Fourth Proportional to 10,245,254.94, 15,340,342.68 and 7,804,781.64

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Solution

The fourth proportional to 10,245,254.94, 15,340,342.68 and 7,804,781.64 is: 11,686,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245,254.94 : 15,340,342.68 = 7,804,781.64 : x
  2. Step 2: Convert to fraction form
    10,245,254.94/15,340,342.68 = 7,804,781.64/x
  3. Step 3: Cross multiply
    10,245,254.94x = 15,340,342.68 × 7,804,781.64
  4. Step 4: Simplify right side
    10,245,254.94x = 119,728,024,900,172.39
  5. Step 5: Solve for x
    x = 119,728,024,900,172.39/10,245,254.94
  6. Step 6: Final answer
    x = 11,686,192.84

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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.