Home / 12,698,275.10-17,523,321.57-7,471,621.80

Finding the Fourth Proportional to 12,698,275.10, 17,523,321.57 and 7,471,621.80

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Solution

The fourth proportional to 12,698,275.10, 17,523,321.57 and 7,471,621.80 is: 10,310,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,275.10 : 17,523,321.57 = 7,471,621.80 : x
  2. Step 2: Convert to fraction form
    12,698,275.10/17,523,321.57 = 7,471,621.80/x
  3. Step 3: Cross multiply
    12,698,275.10x = 17,523,321.57 × 7,471,621.80
  4. Step 4: Simplify right side
    12,698,275.10x = 130,927,631,450,822.22
  5. Step 5: Solve for x
    x = 130,927,631,450,822.22/12,698,275.10
  6. Step 6: Final answer
    x = 10,310,662.71

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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.