Home / 38,765,109.78-53,496,210.28-21,362,077.80

Finding the Fourth Proportional to 38,765,109.78, 53,496,210.28 and 21,362,077.80

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Solution

The fourth proportional to 38,765,109.78, 53,496,210.28 and 21,362,077.80 is: 29,479,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,109.78 : 53,496,210.28 = 21,362,077.80 : x
  2. Step 2: Convert to fraction form
    38,765,109.78/53,496,210.28 = 21,362,077.80/x
  3. Step 3: Cross multiply
    38,765,109.78x = 53,496,210.28 × 21,362,077.80
  4. Step 4: Simplify right side
    38,765,109.78x = 1,142,790,206,006,519.75
  5. Step 5: Solve for x
    x = 1,142,790,206,006,519.75/38,765,109.78
  6. Step 6: Final answer
    x = 29,479,865.08

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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.