Home / 39,327,074.19-54,274,594.59-21,689,427.24

Finding the Fourth Proportional to 39,327,074.19, 54,274,594.59 and 21,689,427.24

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Solution

The fourth proportional to 39,327,074.19, 54,274,594.59 and 21,689,427.24 is: 29,933,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327,074.19 : 54,274,594.59 = 21,689,427.24 : x
  2. Step 2: Convert to fraction form
    39,327,074.19/54,274,594.59 = 21,689,427.24/x
  3. Step 3: Cross multiply
    39,327,074.19x = 54,274,594.59 × 21,689,427.24
  4. Step 4: Simplify right side
    39,327,074.19x = 1,177,184,870,340,302.50
  5. Step 5: Solve for x
    x = 1,177,184,870,340,302.50/39,327,074.19
  6. Step 6: Final answer
    x = 29,933,192.20

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Double scale
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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.