Home / 38,758,435.89-53,486,378.51-21,354,377.37

Finding the Fourth Proportional to 38,758,435.89, 53,486,378.51 and 21,354,377.37

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Solution

The fourth proportional to 38,758,435.89, 53,486,378.51 and 21,354,377.37 is: 29,468,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,758,435.89 : 53,486,378.51 = 21,354,377.37 : x
  2. Step 2: Convert to fraction form
    38,758,435.89/53,486,378.51 = 21,354,377.37/x
  3. Step 3: Cross multiply
    38,758,435.89x = 53,486,378.51 × 21,354,377.37
  4. Step 4: Simplify right side
    38,758,435.89x = 1,142,168,310,750,426.50
  5. Step 5: Solve for x
    x = 1,142,168,310,750,426.50/38,758,435.89
  6. Step 6: Final answer
    x = 29,468,895.86

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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.