Home / 38,578,910.70-53,238,709.80-21,175,552.02

Finding the Fourth Proportional to 38,578,910.70, 53,238,709.80 and 21,175,552.02

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Solution

The fourth proportional to 38,578,910.70, 53,238,709.80 and 21,175,552.02 is: 29,222,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578,910.70 : 53,238,709.80 = 21,175,552.02 : x
  2. Step 2: Convert to fraction form
    38,578,910.70/53,238,709.80 = 21,175,552.02/x
  3. Step 3: Cross multiply
    38,578,910.70x = 53,238,709.80 × 21,175,552.02
  4. Step 4: Simplify right side
    38,578,910.70x = 1,127,359,068,847,583.75
  5. Step 5: Solve for x
    x = 1,127,359,068,847,583.75/38,578,910.70
  6. Step 6: Final answer
    x = 29,222,159.16

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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.