Home / 38,639,416.12-53,323,016.63-22,119,474.22

Finding the Fourth Proportional to 38,639,416.12, 53,323,016.63 and 22,119,474.22

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Solution

The fourth proportional to 38,639,416.12, 53,323,016.63 and 22,119,474.22 is: 30,525,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,416.12 : 53,323,016.63 = 22,119,474.22 : x
  2. Step 2: Convert to fraction form
    38,639,416.12/53,323,016.63 = 22,119,474.22/x
  3. Step 3: Cross multiply
    38,639,416.12x = 53,323,016.63 × 22,119,474.22
  4. Step 4: Simplify right side
    38,639,416.12x = 1,179,477,091,436,011.50
  5. Step 5: Solve for x
    x = 1,179,477,091,436,011.50/38,639,416.12
  6. Step 6: Final answer
    x = 30,525,230.71

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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.