Home / 38,850,493.60-53,613,555.58-21,209,614.21

Finding the Fourth Proportional to 38,850,493.60, 53,613,555.58 and 21,209,614.21

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Solution

The fourth proportional to 38,850,493.60, 53,613,555.58 and 21,209,614.21 is: 29,269,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850,493.60 : 53,613,555.58 = 21,209,614.21 : x
  2. Step 2: Convert to fraction form
    38,850,493.60/53,613,555.58 = 21,209,614.21/x
  3. Step 3: Cross multiply
    38,850,493.60x = 53,613,555.58 × 21,209,614.21
  4. Step 4: Simplify right side
    38,850,493.60x = 1,137,122,830,241,097.50
  5. Step 5: Solve for x
    x = 1,137,122,830,241,097.50/38,850,493.60
  6. Step 6: Final answer
    x = 29,269,199.04

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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.