Home / 20,900,192.08-31,342,300.43-6,875,160.04

Finding the Fourth Proportional to 20,900,192.08, 31,342,300.43 and 6,875,160.04

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Solution

The fourth proportional to 20,900,192.08, 31,342,300.43 and 6,875,160.04 is: 10,310,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,900,192.08 : 31,342,300.43 = 6,875,160.04 : x
  2. Step 2: Convert to fraction form
    20,900,192.08/31,342,300.43 = 6,875,160.04/x
  3. Step 3: Cross multiply
    20,900,192.08x = 31,342,300.43 × 6,875,160.04
  4. Step 4: Simplify right side
    20,900,192.08x = 215,483,331,345,185.22
  5. Step 5: Solve for x
    x = 215,483,331,345,185.22/20,900,192.08
  6. Step 6: Final answer
    x = 10,310,112.49

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1.5x scale

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.