Home / 21,104,846.10-31,657,269.15-19,929,114.90

Finding the Fourth Proportional to 21,104,846.10, 31,657,269.15 and 19,929,114.90

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Solution

The fourth proportional to 21,104,846.10, 31,657,269.15 and 19,929,114.90 is: 29,893,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104,846.10 : 31,657,269.15 = 19,929,114.90 : x
  2. Step 2: Convert to fraction form
    21,104,846.10/31,657,269.15 = 19,929,114.90/x
  3. Step 3: Cross multiply
    21,104,846.10x = 31,657,269.15 × 19,929,114.90
  4. Step 4: Simplify right side
    21,104,846.10x = 630,901,354,310,575.25
  5. Step 5: Solve for x
    x = 630,901,354,310,575.25/21,104,846.10
  6. Step 6: Final answer
    x = 29,893,672.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.