Home / 15,435,419.04-21,300,927.36-8,560,536.48

Finding the Fourth Proportional to 15,435,419.04, 21,300,927.36 and 8,560,536.48

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Solution

The fourth proportional to 15,435,419.04, 21,300,927.36 and 8,560,536.48 is: 11,813,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435,419.04 : 21,300,927.36 = 8,560,536.48 : x
  2. Step 2: Convert to fraction form
    15,435,419.04/21,300,927.36 = 8,560,536.48/x
  3. Step 3: Cross multiply
    15,435,419.04x = 21,300,927.36 × 8,560,536.48
  4. Step 4: Simplify right side
    15,435,419.04x = 182,347,365,723,110.09
  5. Step 5: Solve for x
    x = 182,347,365,723,110.09/15,435,419.04
  6. Step 6: Final answer
    x = 11,813,567.56

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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.