Home / 27,621,561.70-38,118,675.34-15,063,301.54

Finding the Fourth Proportional to 27,621,561.70, 38,118,675.34 and 15,063,301.54

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Solution

The fourth proportional to 27,621,561.70, 38,118,675.34 and 15,063,301.54 is: 20,787,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621,561.70 : 38,118,675.34 = 15,063,301.54 : x
  2. Step 2: Convert to fraction form
    27,621,561.70/38,118,675.34 = 15,063,301.54/x
  3. Step 3: Cross multiply
    27,621,561.70x = 38,118,675.34 × 15,063,301.54
  4. Step 4: Simplify right side
    27,621,561.70x = 574,193,101,018,259.50
  5. Step 5: Solve for x
    x = 574,193,101,018,259.50/27,621,561.70
  6. Step 6: Final answer
    x = 20,787,857.95

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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.