Home / 14,102,795.60-21,176,311.80-8,130,827.60

Finding the Fourth Proportional to 14,102,795.60, 21,176,311.80 and 8,130,827.60

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Solution

The fourth proportional to 14,102,795.60, 21,176,311.80 and 8,130,827.60 is: 12,208,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102,795.60 : 21,176,311.80 = 8,130,827.60 : x
  2. Step 2: Convert to fraction form
    14,102,795.60/21,176,311.80 = 8,130,827.60/x
  3. Step 3: Cross multiply
    14,102,795.60x = 21,176,311.80 × 8,130,827.60
  4. Step 4: Simplify right side
    14,102,795.60x = 172,180,940,449,645.69
  5. Step 5: Solve for x
    x = 172,180,940,449,645.69/14,102,795.60
  6. Step 6: Final answer
    x = 12,208,993.55

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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.