Home / 13,175,225.56-18,177,668.22-7,373,085.40

Finding the Fourth Proportional to 13,175,225.56, 18,177,668.22 and 7,373,085.40

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Solution

The fourth proportional to 13,175,225.56, 18,177,668.22 and 7,373,085.40 is: 10,172,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,225.56 : 18,177,668.22 = 7,373,085.40 : x
  2. Step 2: Convert to fraction form
    13,175,225.56/18,177,668.22 = 7,373,085.40/x
  3. Step 3: Cross multiply
    13,175,225.56x = 18,177,668.22 × 7,373,085.40
  4. Step 4: Simplify right side
    13,175,225.56x = 134,025,500,158,925.98
  5. Step 5: Solve for x
    x = 134,025,500,158,925.98/13,175,225.56
  6. Step 6: Final answer
    x = 10,172,539.33

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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.