Home / 18,128,046-25,016,703.48-9,979,284

Finding the Fourth Proportional to 18,128,046, 25,016,703.48 and 9,979,284

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Solution

The fourth proportional to 18,128,046, 25,016,703.48 and 9,979,284 is: 13,771,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,046 : 25,016,703.48 = 9,979,284 : x
  2. Step 2: Convert to fraction form
    18,128,046/25,016,703.48 = 9,979,284/x
  3. Step 3: Cross multiply
    18,128,046x = 25,016,703.48 × 9,979,284
  4. Step 4: Simplify right side
    18,128,046x = 249,648,788,770,708.31
  5. Step 5: Solve for x
    x = 249,648,788,770,708.31/18,128,046
  6. Step 6: Final answer
    x = 13,771,411.92

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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.