Home / 38,685,351.60-53,386,228.29-22,165,145.13

Finding the Fourth Proportional to 38,685,351.60, 53,386,228.29 and 22,165,145.13

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Solution

The fourth proportional to 38,685,351.60, 53,386,228.29 and 22,165,145.13 is: 30,588,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685,351.60 : 53,386,228.29 = 22,165,145.13 : x
  2. Step 2: Convert to fraction form
    38,685,351.60/53,386,228.29 = 22,165,145.13/x
  3. Step 3: Cross multiply
    38,685,351.60x = 53,386,228.29 × 22,165,145.13
  4. Step 4: Simplify right side
    38,685,351.60x = 1,183,313,497,991,161.75
  5. Step 5: Solve for x
    x = 1,183,313,497,991,161.75/38,685,351.60
  6. Step 6: Final answer
    x = 30,588,154.15

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Double scale
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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.