Home / 38,740,460.04-53,464,261.68-21,336,801.24

Finding the Fourth Proportional to 38,740,460.04, 53,464,261.68 and 21,336,801.24

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Solution

The fourth proportional to 38,740,460.04, 53,464,261.68 and 21,336,801.24 is: 29,446,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740,460.04 : 53,464,261.68 = 21,336,801.24 : x
  2. Step 2: Convert to fraction form
    38,740,460.04/53,464,261.68 = 21,336,801.24/x
  3. Step 3: Cross multiply
    38,740,460.04x = 53,464,261.68 × 21,336,801.24
  4. Step 4: Simplify right side
    38,740,460.04x = 1,140,756,324,909,508.50
  5. Step 5: Solve for x
    x = 1,140,756,324,909,508.50/38,740,460.04
  6. Step 6: Final answer
    x = 29,446,122.32

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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.