Home / 12,729,368.08-17,566,008.64-7,222,624.39

Finding the Fourth Proportional to 12,729,368.08, 17,566,008.64 and 7,222,624.39

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Solution

The fourth proportional to 12,729,368.08, 17,566,008.64 and 7,222,624.39 is: 9,966,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,368.08 : 17,566,008.64 = 7,222,624.39 : x
  2. Step 2: Convert to fraction form
    12,729,368.08/17,566,008.64 = 7,222,624.39/x
  3. Step 3: Cross multiply
    12,729,368.08x = 17,566,008.64 × 7,222,624.39
  4. Step 4: Simplify right side
    12,729,368.08x = 126,872,682,438,214.73
  5. Step 5: Solve for x
    x = 126,872,682,438,214.73/12,729,368.08
  6. Step 6: Final answer
    x = 9,966,927.00

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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.