Home / 15,692,396.96-21,657,322.14-9,167,657.42

Finding the Fourth Proportional to 15,692,396.96, 21,657,322.14 and 9,167,657.42

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Solution

The fourth proportional to 15,692,396.96, 21,657,322.14 and 9,167,657.42 is: 12,652,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692,396.96 : 21,657,322.14 = 9,167,657.42 : x
  2. Step 2: Convert to fraction form
    15,692,396.96/21,657,322.14 = 9,167,657.42/x
  3. Step 3: Cross multiply
    15,692,396.96x = 21,657,322.14 × 9,167,657.42
  4. Step 4: Simplify right side
    15,692,396.96x = 198,546,910,014,101.28
  5. Step 5: Solve for x
    x = 198,546,910,014,101.28/15,692,396.96
  6. Step 6: Final answer
    x = 12,652,427.19

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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.