Home / 12,070,931.80-18,100,176.90-4,493,997.40

Finding the Fourth Proportional to 12,070,931.80, 18,100,176.90 and 4,493,997.40

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Solution

The fourth proportional to 12,070,931.80, 18,100,176.90 and 4,493,997.40 is: 6,738,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,931.80 : 18,100,176.90 = 4,493,997.40 : x
  2. Step 2: Convert to fraction form
    12,070,931.80/18,100,176.90 = 4,493,997.40/x
  3. Step 3: Cross multiply
    12,070,931.80x = 18,100,176.90 × 4,493,997.40
  4. Step 4: Simplify right side
    12,070,931.80x = 81,342,147,928,140.06
  5. Step 5: Solve for x
    x = 81,342,147,928,140.06/12,070,931.80
  6. Step 6: Final answer
    x = 6,738,680.10

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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.