Home / 21,277,198.56-29,342,602.80-16,940,600.16

Finding the Fourth Proportional to 21,277,198.56, 29,342,602.80 and 16,940,600.16

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Solution

The fourth proportional to 21,277,198.56, 29,342,602.80 and 16,940,600.16 is: 23,362,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277,198.56 : 29,342,602.80 = 16,940,600.16 : x
  2. Step 2: Convert to fraction form
    21,277,198.56/29,342,602.80 = 16,940,600.16/x
  3. Step 3: Cross multiply
    21,277,198.56x = 29,342,602.80 × 16,940,600.16
  4. Step 4: Simplify right side
    21,277,198.56x = 497,081,301,688,496.44
  5. Step 5: Solve for x
    x = 497,081,301,688,496.44/21,277,198.56
  6. Step 6: Final answer
    x = 23,362,159.28

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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.