Home / 38,765,113.17-53,496,214.94-21,362,081.19

Finding the Fourth Proportional to 38,765,113.17, 53,496,214.94 and 21,362,081.19

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Solution

The fourth proportional to 38,765,113.17, 53,496,214.94 and 21,362,081.19 is: 29,479,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,113.17 : 53,496,214.94 = 21,362,081.19 : x
  2. Step 2: Convert to fraction form
    38,765,113.17/53,496,214.94 = 21,362,081.19/x
  3. Step 3: Cross multiply
    38,765,113.17x = 53,496,214.94 × 21,362,081.19
  4. Step 4: Simplify right side
    38,765,113.17x = 1,142,790,486,799,160.75
  5. Step 5: Solve for x
    x = 1,142,790,486,799,160.75/38,765,113.17
  6. Step 6: Final answer
    x = 29,479,869.74

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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.