Home / 18,128,045-25,016,702.10-9,979,283

Finding the Fourth Proportional to 18,128,045, 25,016,702.10 and 9,979,283

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Solution

The fourth proportional to 18,128,045, 25,016,702.10 and 9,979,283 is: 13,771,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,045 : 25,016,702.10 = 9,979,283 : x
  2. Step 2: Convert to fraction form
    18,128,045/25,016,702.10 = 9,979,283/x
  3. Step 3: Cross multiply
    18,128,045x = 25,016,702.10 × 9,979,283
  4. Step 4: Simplify right side
    18,128,045x = 249,648,749,982,594.31
  5. Step 5: Solve for x
    x = 249,648,749,982,594.31/18,128,045
  6. Step 6: Final answer
    x = 13,771,410.54

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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.