Home / 10,970,220.88-15,133,880.20-7,103,987.72

Finding the Fourth Proportional to 10,970,220.88, 15,133,880.20 and 7,103,987.72

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Solution

The fourth proportional to 10,970,220.88, 15,133,880.20 and 7,103,987.72 is: 9,800,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970,220.88 : 15,133,880.20 = 7,103,987.72 : x
  2. Step 2: Convert to fraction form
    10,970,220.88/15,133,880.20 = 7,103,987.72/x
  3. Step 3: Cross multiply
    10,970,220.88x = 15,133,880.20 × 7,103,987.72
  4. Step 4: Simplify right side
    10,970,220.88x = 107,510,899,096,751.14
  5. Step 5: Solve for x
    x = 107,510,899,096,751.14/10,970,220.88
  6. Step 6: Final answer
    x = 9,800,249.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.