Home / 14,387,033.92-19,854,128.16-8,192,085.68

Finding the Fourth Proportional to 14,387,033.92, 19,854,128.16 and 8,192,085.68

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Solution

The fourth proportional to 14,387,033.92, 19,854,128.16 and 8,192,085.68 is: 11,305,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,033.92 : 19,854,128.16 = 8,192,085.68 : x
  2. Step 2: Convert to fraction form
    14,387,033.92/19,854,128.16 = 8,192,085.68/x
  3. Step 3: Cross multiply
    14,387,033.92x = 19,854,128.16 × 8,192,085.68
  4. Step 4: Simplify right side
    14,387,033.92x = 162,646,718,988,420.75
  5. Step 5: Solve for x
    x = 162,646,718,988,420.75/14,387,033.92
  6. Step 6: Final answer
    x = 11,305,090.40

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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.