Home / 38,854,056.69-53,618,320.60-21,212,958.65

Finding the Fourth Proportional to 38,854,056.69, 53,618,320.60 and 21,212,958.65

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Solution

The fourth proportional to 38,854,056.69, 53,618,320.60 and 21,212,958.65 is: 29,273,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,854,056.69 : 53,618,320.60 = 21,212,958.65 : x
  2. Step 2: Convert to fraction form
    38,854,056.69/53,618,320.60 = 21,212,958.65/x
  3. Step 3: Cross multiply
    38,854,056.69x = 53,618,320.60 × 21,212,958.65
  4. Step 4: Simplify right side
    38,854,056.69x = 1,137,403,217,449,119
  5. Step 5: Solve for x
    x = 1,137,403,217,449,119/38,854,056.69
  6. Step 6: Final answer
    x = 29,273,731.35

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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.