Home / 26,520,897.60-39,744,021.60-19,643,803.20

Finding the Fourth Proportional to 26,520,897.60, 39,744,021.60 and 19,643,803.20

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Solution

The fourth proportional to 26,520,897.60, 39,744,021.60 and 19,643,803.20 is: 29,438,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520,897.60 : 39,744,021.60 = 19,643,803.20 : x
  2. Step 2: Convert to fraction form
    26,520,897.60/39,744,021.60 = 19,643,803.20/x
  3. Step 3: Cross multiply
    26,520,897.60x = 39,744,021.60 × 19,643,803.20
  4. Step 4: Simplify right side
    26,520,897.60x = 780,723,738,686,949.12
  5. Step 5: Solve for x
    x = 780,723,738,686,949.12/26,520,897.60
  6. Step 6: Final answer
    x = 29,438,058.64

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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.