Home / 15,299,506.04-21,113,836.52-8,330,453.87

Finding the Fourth Proportional to 15,299,506.04, 21,113,836.52 and 8,330,453.87

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Solution

The fourth proportional to 15,299,506.04, 21,113,836.52 and 8,330,453.87 is: 11,496,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299,506.04 : 21,113,836.52 = 8,330,453.87 : x
  2. Step 2: Convert to fraction form
    15,299,506.04/21,113,836.52 = 8,330,453.87/x
  3. Step 3: Cross multiply
    15,299,506.04x = 21,113,836.52 × 8,330,453.87
  4. Step 4: Simplify right side
    15,299,506.04x = 175,887,841,043,012.16
  5. Step 5: Solve for x
    x = 175,887,841,043,012.16/15,299,506.04
  6. Step 6: Final answer
    x = 11,496,308.48

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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.