Home / 38,762,868.82-53,495,107.78-21,359,192.98

Finding the Fourth Proportional to 38,762,868.82, 53,495,107.78 and 21,359,192.98

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Solution

The fourth proportional to 38,762,868.82, 53,495,107.78 and 21,359,192.98 is: 29,476,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762,868.82 : 53,495,107.78 = 21,359,192.98 : x
  2. Step 2: Convert to fraction form
    38,762,868.82/53,495,107.78 = 21,359,192.98/x
  3. Step 3: Cross multiply
    38,762,868.82x = 53,495,107.78 × 21,359,192.98
  4. Step 4: Simplify right side
    38,762,868.82x = 1,142,612,330,558,919.50
  5. Step 5: Solve for x
    x = 1,142,612,330,558,919.50/38,762,868.82
  6. Step 6: Final answer
    x = 29,476,980.56

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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.