Home / 12,880,002.14-17,774,830.94-7,580,736.57

Finding the Fourth Proportional to 12,880,002.14, 17,774,830.94 and 7,580,736.57

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Solution

The fourth proportional to 12,880,002.14, 17,774,830.94 and 7,580,736.57 is: 10,461,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,002.14 : 17,774,830.94 = 7,580,736.57 : x
  2. Step 2: Convert to fraction form
    12,880,002.14/17,774,830.94 = 7,580,736.57/x
  3. Step 3: Cross multiply
    12,880,002.14x = 17,774,830.94 × 7,580,736.57
  4. Step 4: Simplify right side
    12,880,002.14x = 134,746,310,921,645.30
  5. Step 5: Solve for x
    x = 134,746,310,921,645.30/12,880,002.14
  6. Step 6: Final answer
    x = 10,461,668.36

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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.