Home / 38,701,756.74-53,396,400.40-21,953,736.02

Finding the Fourth Proportional to 38,701,756.74, 53,396,400.40 and 21,953,736.02

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Solution

The fourth proportional to 38,701,756.74, 53,396,400.40 and 21,953,736.02 is: 30,289,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,756.74 : 53,396,400.40 = 21,953,736.02 : x
  2. Step 2: Convert to fraction form
    38,701,756.74/53,396,400.40 = 21,953,736.02/x
  3. Step 3: Cross multiply
    38,701,756.74x = 53,396,400.40 × 21,953,736.02
  4. Step 4: Simplify right side
    38,701,756.74x = 1,172,250,478,799,822.25
  5. Step 5: Solve for x
    x = 1,172,250,478,799,822.25/38,701,756.74
  6. Step 6: Final answer
    x = 30,289,335.10

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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.