Home / 21,026,587.62-31,539,671.16-6,649,657.86

Finding the Fourth Proportional to 21,026,587.62, 31,539,671.16 and 6,649,657.86

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Solution

The fourth proportional to 21,026,587.62, 31,539,671.16 and 6,649,657.86 is: 9,974,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,587.62 : 31,539,671.16 = 6,649,657.86 : x
  2. Step 2: Convert to fraction form
    21,026,587.62/31,539,671.16 = 6,649,657.86/x
  3. Step 3: Cross multiply
    21,026,587.62x = 31,539,671.16 × 6,649,657.86
  4. Step 4: Simplify right side
    21,026,587.62x = 209,728,022,230,909.34
  5. Step 5: Solve for x
    x = 209,728,022,230,909.34/21,026,587.62
  6. Step 6: Final answer
    x = 9,974,420.29

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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.