Home / 38,762,869.82-53,495,109.16-21,359,193.98

Finding the Fourth Proportional to 38,762,869.82, 53,495,109.16 and 21,359,193.98

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Solution

The fourth proportional to 38,762,869.82, 53,495,109.16 and 21,359,193.98 is: 29,476,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762,869.82 : 53,495,109.16 = 21,359,193.98 : x
  2. Step 2: Convert to fraction form
    38,762,869.82/53,495,109.16 = 21,359,193.98/x
  3. Step 3: Cross multiply
    38,762,869.82x = 53,495,109.16 × 21,359,193.98
  4. Step 4: Simplify right side
    38,762,869.82x = 1,142,612,413,529,714.75
  5. Step 5: Solve for x
    x = 1,142,612,413,529,714.75/38,762,869.82
  6. Step 6: Final answer
    x = 29,476,981.94

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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.