Home / 8,611,803.80-12,913,221-3,216,017.96

Finding the Fourth Proportional to 8,611,803.80, 12,913,221 and 3,216,017.96

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Solution

The fourth proportional to 8,611,803.80, 12,913,221 and 3,216,017.96 is: 4,822,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,803.80 : 12,913,221 = 3,216,017.96 : x
  2. Step 2: Convert to fraction form
    8,611,803.80/12,913,221 = 3,216,017.96/x
  3. Step 3: Cross multiply
    8,611,803.80x = 12,913,221 × 3,216,017.96
  4. Step 4: Simplify right side
    8,611,803.80x = 41,529,150,657,449.16
  5. Step 5: Solve for x
    x = 41,529,150,657,449.16/8,611,803.80
  6. Step 6: Final answer
    x = 4,822,352.16

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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.