Home / 21,315,641.83-31,961,223.60-8,346,607.90

Finding the Fourth Proportional to 21,315,641.83, 31,961,223.60 and 8,346,607.90

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Solution

The fourth proportional to 21,315,641.83, 31,961,223.60 and 8,346,607.90 is: 12,515,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,641.83 : 31,961,223.60 = 8,346,607.90 : x
  2. Step 2: Convert to fraction form
    21,315,641.83/31,961,223.60 = 8,346,607.90/x
  3. Step 3: Cross multiply
    21,315,641.83x = 31,961,223.60 × 8,346,607.90
  4. Step 4: Simplify right side
    21,315,641.83x = 266,767,801,351,693.41
  5. Step 5: Solve for x
    x = 266,767,801,351,693.41/21,315,641.83
  6. Step 6: Final answer
    x = 12,515,119.34

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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.