Home / 38,458,065.24-53,071,874.10-21,054,702.96

Finding the Fourth Proportional to 38,458,065.24, 53,071,874.10 and 21,054,702.96

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Solution

The fourth proportional to 38,458,065.24, 53,071,874.10 and 21,054,702.96 is: 29,055,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458,065.24 : 53,071,874.10 = 21,054,702.96 : x
  2. Step 2: Convert to fraction form
    38,458,065.24/53,071,874.10 = 21,054,702.96/x
  3. Step 3: Cross multiply
    38,458,065.24x = 53,071,874.10 × 21,054,702.96
  4. Step 4: Simplify right side
    38,458,065.24x = 1,117,412,544,706,017.38
  5. Step 5: Solve for x
    x = 1,117,412,544,706,017.38/38,458,065.24
  6. Step 6: Final answer
    x = 29,055,349.97

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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.