Home / 38,762,872.84-53,495,113.32-21,359,197

Finding the Fourth Proportional to 38,762,872.84, 53,495,113.32 and 21,359,197

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Solution

The fourth proportional to 38,762,872.84, 53,495,113.32 and 21,359,197 is: 29,476,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762,872.84 : 53,495,113.32 = 21,359,197 : x
  2. Step 2: Convert to fraction form
    38,762,872.84/53,495,113.32 = 21,359,197/x
  3. Step 3: Cross multiply
    38,762,872.84x = 53,495,113.32 × 21,359,197
  4. Step 4: Simplify right side
    38,762,872.84x = 1,142,612,663,939,204
  5. Step 5: Solve for x
    x = 1,142,612,663,939,204/38,762,872.84
  6. Step 6: Final answer
    x = 29,476,986.10

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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.