Home / 14,133,630.60-21,200,445.90-12,698,739.90

Finding the Fourth Proportional to 14,133,630.60, 21,200,445.90 and 12,698,739.90

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Solution

The fourth proportional to 14,133,630.60, 21,200,445.90 and 12,698,739.90 is: 19,048,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133,630.60 : 21,200,445.90 = 12,698,739.90 : x
  2. Step 2: Convert to fraction form
    14,133,630.60/21,200,445.90 = 12,698,739.90/x
  3. Step 3: Cross multiply
    14,133,630.60x = 21,200,445.90 × 12,698,739.90
  4. Step 4: Simplify right side
    14,133,630.60x = 269,218,948,248,121.41
  5. Step 5: Solve for x
    x = 269,218,948,248,121.41/14,133,630.60
  6. Step 6: Final answer
    x = 19,048,109.85

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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.