Home / 28,025,461.06-38,675,160.33-15,635,556.40

Finding the Fourth Proportional to 28,025,461.06, 38,675,160.33 and 15,635,556.40

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Solution

The fourth proportional to 28,025,461.06, 38,675,160.33 and 15,635,556.40 is: 21,577,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,461.06 : 38,675,160.33 = 15,635,556.40 : x
  2. Step 2: Convert to fraction form
    28,025,461.06/38,675,160.33 = 15,635,556.40/x
  3. Step 3: Cross multiply
    28,025,461.06x = 38,675,160.33 × 15,635,556.40
  4. Step 4: Simplify right side
    28,025,461.06x = 604,707,650,618,757.62
  5. Step 5: Solve for x
    x = 604,707,650,618,757.62/28,025,461.06
  6. Step 6: Final answer
    x = 21,577,081.26

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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.