Home / 14,172,873.15-19,558,344.06-7,977,906.48

Finding the Fourth Proportional to 14,172,873.15, 19,558,344.06 and 7,977,906.48

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Solution

The fourth proportional to 14,172,873.15, 19,558,344.06 and 7,977,906.48 is: 11,009,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172,873.15 : 19,558,344.06 = 7,977,906.48 : x
  2. Step 2: Convert to fraction form
    14,172,873.15/19,558,344.06 = 7,977,906.48/x
  3. Step 3: Cross multiply
    14,172,873.15x = 19,558,344.06 × 7,977,906.48
  4. Step 4: Simplify right side
    14,172,873.15x = 156,034,639,814,343.50
  5. Step 5: Solve for x
    x = 156,034,639,814,343.50/14,172,873.15
  6. Step 6: Final answer
    x = 11,009,386.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.