Home / 38,762,864.82-53,495,102.25-21,359,188.98

Finding the Fourth Proportional to 38,762,864.82, 53,495,102.25 and 21,359,188.98

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Solution

The fourth proportional to 38,762,864.82, 53,495,102.25 and 21,359,188.98 is: 29,476,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762,864.82 : 53,495,102.25 = 21,359,188.98 : x
  2. Step 2: Convert to fraction form
    38,762,864.82/53,495,102.25 = 21,359,188.98/x
  3. Step 3: Cross multiply
    38,762,864.82x = 53,495,102.25 × 21,359,188.98
  4. Step 4: Simplify right side
    38,762,864.82x = 1,142,611,998,462,173.25
  5. Step 5: Solve for x
    x = 1,142,611,998,462,173.25/38,762,864.82
  6. Step 6: Final answer
    x = 29,476,975.03

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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.