Home / 14,180,438.30-21,270,657.45-7,005,984.80

Finding the Fourth Proportional to 14,180,438.30, 21,270,657.45 and 7,005,984.80

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Solution

The fourth proportional to 14,180,438.30, 21,270,657.45 and 7,005,984.80 is: 10,508,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180,438.30 : 21,270,657.45 = 7,005,984.80 : x
  2. Step 2: Convert to fraction form
    14,180,438.30/21,270,657.45 = 7,005,984.80/x
  3. Step 3: Cross multiply
    14,180,438.30x = 21,270,657.45 × 7,005,984.80
  4. Step 4: Simplify right side
    14,180,438.30x = 149,021,902,780,706.75
  5. Step 5: Solve for x
    x = 149,021,902,780,706.75/14,180,438.30
  6. Step 6: Final answer
    x = 10,508,977.20

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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.