Home / 8,478,901.80-11,700,939.51-4,611,450.96

Finding the Fourth Proportional to 8,478,901.80, 11,700,939.51 and 4,611,450.96

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Solution

The fourth proportional to 8,478,901.80, 11,700,939.51 and 4,611,450.96 is: 6,363,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,901.80 : 11,700,939.51 = 4,611,450.96 : x
  2. Step 2: Convert to fraction form
    8,478,901.80/11,700,939.51 = 4,611,450.96/x
  3. Step 3: Cross multiply
    8,478,901.80x = 11,700,939.51 × 4,611,450.96
  4. Step 4: Simplify right side
    8,478,901.80x = 53,958,308,736,291.43
  5. Step 5: Solve for x
    x = 53,958,308,736,291.43/8,478,901.80
  6. Step 6: Final answer
    x = 6,363,832.25

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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.