Home / 38,810,677.13-53,557,795.58-21,406,648.58

Finding the Fourth Proportional to 38,810,677.13, 53,557,795.58 and 21,406,648.58

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Solution

The fourth proportional to 38,810,677.13, 53,557,795.58 and 21,406,648.58 is: 29,540,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810,677.13 : 53,557,795.58 = 21,406,648.58 : x
  2. Step 2: Convert to fraction form
    38,810,677.13/53,557,795.58 = 21,406,648.58/x
  3. Step 3: Cross multiply
    38,810,677.13x = 53,557,795.58 × 21,406,648.58
  4. Step 4: Simplify right side
    38,810,677.13x = 1,146,492,908,325,715
  5. Step 5: Solve for x
    x = 1,146,492,908,325,715/38,810,677.13
  6. Step 6: Final answer
    x = 29,540,657.19

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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.