Home / 11,555,990.76-15,947,252.82-6,399,346.08

Finding the Fourth Proportional to 11,555,990.76, 15,947,252.82 and 6,399,346.08

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Solution

The fourth proportional to 11,555,990.76, 15,947,252.82 and 6,399,346.08 is: 8,831,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,990.76 : 15,947,252.82 = 6,399,346.08 : x
  2. Step 2: Convert to fraction form
    11,555,990.76/15,947,252.82 = 6,399,346.08/x
  3. Step 3: Cross multiply
    11,555,990.76x = 15,947,252.82 × 6,399,346.08
  4. Step 4: Simplify right side
    11,555,990.76x = 102,051,989,820,435.95
  5. Step 5: Solve for x
    x = 102,051,989,820,435.95/11,555,990.76
  6. Step 6: Final answer
    x = 8,831,089.60

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1.5x scale

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.