Home / 15,433,679.69-21,298,869.03-8,464,634.70

Finding the Fourth Proportional to 15,433,679.69, 21,298,869.03 and 8,464,634.70

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Solution

The fourth proportional to 15,433,679.69, 21,298,869.03 and 8,464,634.70 is: 11,681,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,679.69 : 21,298,869.03 = 8,464,634.70 : x
  2. Step 2: Convert to fraction form
    15,433,679.69/21,298,869.03 = 8,464,634.70/x
  3. Step 3: Cross multiply
    15,433,679.69x = 21,298,869.03 × 8,464,634.70
  4. Step 4: Simplify right side
    15,433,679.69x = 180,287,145,862,093.34
  5. Step 5: Solve for x
    x = 180,287,145,862,093.34/15,433,679.69
  6. Step 6: Final answer
    x = 11,681,410.36

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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.