Home / 17,078,819-23,579,021.12-10,561,187.20

Finding the Fourth Proportional to 17,078,819, 23,579,021.12 and 10,561,187.20

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Solution

The fourth proportional to 17,078,819, 23,579,021.12 and 10,561,187.20 is: 14,580,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078,819 : 23,579,021.12 = 10,561,187.20 : x
  2. Step 2: Convert to fraction form
    17,078,819/23,579,021.12 = 10,561,187.20/x
  3. Step 3: Cross multiply
    17,078,819x = 23,579,021.12 × 10,561,187.20
  4. Step 4: Simplify right side
    17,078,819x = 249,022,456,041,073.66
  5. Step 5: Solve for x
    x = 249,022,456,041,073.66/17,078,819
  6. Step 6: Final answer
    x = 14,580,777.28

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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.