Home / 21,470,937.16-32,181,786.54-10,664,085.64

Finding the Fourth Proportional to 21,470,937.16, 32,181,786.54 and 10,664,085.64

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Solution

The fourth proportional to 21,470,937.16, 32,181,786.54 and 10,664,085.64 is: 15,983,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,470,937.16 : 32,181,786.54 = 10,664,085.64 : x
  2. Step 2: Convert to fraction form
    21,470,937.16/32,181,786.54 = 10,664,085.64/x
  3. Step 3: Cross multiply
    21,470,937.16x = 32,181,786.54 × 10,664,085.64
  4. Step 4: Simplify right side
    21,470,937.16x = 343,189,327,710,759.31
  5. Step 5: Solve for x
    x = 343,189,327,710,759.31/21,470,937.16
  6. Step 6: Final answer
    x = 15,983,900.71

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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.