Home / 38,568,266.61-53,225,010.41-21,163,595.73

Finding the Fourth Proportional to 38,568,266.61, 53,225,010.41 and 21,163,595.73

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Solution

The fourth proportional to 38,568,266.61, 53,225,010.41 and 21,163,595.73 is: 29,206,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568,266.61 : 53,225,010.41 = 21,163,595.73 : x
  2. Step 2: Convert to fraction form
    38,568,266.61/53,225,010.41 = 21,163,595.73/x
  3. Step 3: Cross multiply
    38,568,266.61x = 53,225,010.41 × 21,163,595.73
  4. Step 4: Simplify right side
    38,568,266.61x = 1,126,432,602,936,463.50
  5. Step 5: Solve for x
    x = 1,126,432,602,936,463.50/38,568,266.61
  6. Step 6: Final answer
    x = 29,206,202.45

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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.