Home / 8,478,530.96-11,700,458.50-4,611,137.36

Finding the Fourth Proportional to 8,478,530.96, 11,700,458.50 and 4,611,137.36

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Solution

The fourth proportional to 8,478,530.96, 11,700,458.50 and 4,611,137.36 is: 6,363,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,530.96 : 11,700,458.50 = 4,611,137.36 : x
  2. Step 2: Convert to fraction form
    8,478,530.96/11,700,458.50 = 4,611,137.36/x
  3. Step 3: Cross multiply
    8,478,530.96x = 11,700,458.50 × 4,611,137.36
  4. Step 4: Simplify right side
    8,478,530.96x = 53,952,421,318,479.56
  5. Step 5: Solve for x
    x = 53,952,421,318,479.56/8,478,530.96
  6. Step 6: Final answer
    x = 6,363,416.21

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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.