Home / 14,068,657.80-21,102,986.70-8,320,638.60

Finding the Fourth Proportional to 14,068,657.80, 21,102,986.70 and 8,320,638.60

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Solution

The fourth proportional to 14,068,657.80, 21,102,986.70 and 8,320,638.60 is: 12,480,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068,657.80 : 21,102,986.70 = 8,320,638.60 : x
  2. Step 2: Convert to fraction form
    14,068,657.80/21,102,986.70 = 8,320,638.60/x
  3. Step 3: Cross multiply
    14,068,657.80x = 21,102,986.70 × 8,320,638.60
  4. Step 4: Simplify right side
    14,068,657.80x = 175,590,325,711,306.59
  5. Step 5: Solve for x
    x = 175,590,325,711,306.59/14,068,657.80
  6. Step 6: Final answer
    x = 12,480,957.90

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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.