Home / 14,172,034.66-19,558,030.50-7,977,481.09

Finding the Fourth Proportional to 14,172,034.66, 19,558,030.50 and 7,977,481.09

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Solution

The fourth proportional to 14,172,034.66, 19,558,030.50 and 7,977,481.09 is: 11,009,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172,034.66 : 19,558,030.50 = 7,977,481.09 : x
  2. Step 2: Convert to fraction form
    14,172,034.66/19,558,030.50 = 7,977,481.09/x
  3. Step 3: Cross multiply
    14,172,034.66x = 19,558,030.50 × 7,977,481.09
  4. Step 4: Simplify right side
    14,172,034.66x = 156,023,818,422,498.19
  5. Step 5: Solve for x
    x = 156,023,818,422,498.19/14,172,034.66
  6. Step 6: Final answer
    x = 11,009,274.41

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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.