Home / 27,789,516.90-38,326,883.13-19,556,856.18

Finding the Fourth Proportional to 27,789,516.90, 38,326,883.13 and 19,556,856.18

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Solution

The fourth proportional to 27,789,516.90, 38,326,883.13 and 19,556,856.18 is: 26,972,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789,516.90 : 38,326,883.13 = 19,556,856.18 : x
  2. Step 2: Convert to fraction form
    27,789,516.90/38,326,883.13 = 19,556,856.18/x
  3. Step 3: Cross multiply
    27,789,516.90x = 38,326,883.13 × 19,556,856.18
  4. Step 4: Simplify right side
    27,789,516.90x = 749,553,341,201,078.25
  5. Step 5: Solve for x
    x = 749,553,341,201,078.25/27,789,516.90
  6. Step 6: Final answer
    x = 26,972,521.47

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1.5x scale

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.