Home / 12,501,750.12-18,739,837.68-8,458,665.12

Finding the Fourth Proportional to 12,501,750.12, 18,739,837.68 and 8,458,665.12

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Solution

The fourth proportional to 12,501,750.12, 18,739,837.68 and 8,458,665.12 is: 12,679,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501,750.12 : 18,739,837.68 = 8,458,665.12 : x
  2. Step 2: Convert to fraction form
    12,501,750.12/18,739,837.68 = 8,458,665.12/x
  3. Step 3: Cross multiply
    12,501,750.12x = 18,739,837.68 × 8,458,665.12
  4. Step 4: Simplify right side
    12,501,750.12x = 158,514,011,338,277.72
  5. Step 5: Solve for x
    x = 158,514,011,338,277.72/12,501,750.12
  6. Step 6: Final answer
    x = 12,679,345.68

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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.