Home / 10,659,136.80-15,988,705.20-9,483,405.60

Finding the Fourth Proportional to 10,659,136.80, 15,988,705.20 and 9,483,405.60

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Solution

The fourth proportional to 10,659,136.80, 15,988,705.20 and 9,483,405.60 is: 14,225,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,136.80 : 15,988,705.20 = 9,483,405.60 : x
  2. Step 2: Convert to fraction form
    10,659,136.80/15,988,705.20 = 9,483,405.60/x
  3. Step 3: Cross multiply
    10,659,136.80x = 15,988,705.20 × 9,483,405.60
  4. Step 4: Simplify right side
    10,659,136.80x = 151,627,376,430,429.09
  5. Step 5: Solve for x
    x = 151,627,376,430,429.09/10,659,136.80
  6. Step 6: Final answer
    x = 14,225,108.40

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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.