Home / 20,710,986.66-31,066,463.56-5,564,918.16

Finding the Fourth Proportional to 20,710,986.66, 31,066,463.56 and 5,564,918.16

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Solution

The fourth proportional to 20,710,986.66, 31,066,463.56 and 5,564,918.16 is: 8,347,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,986.66 : 31,066,463.56 = 5,564,918.16 : x
  2. Step 2: Convert to fraction form
    20,710,986.66/31,066,463.56 = 5,564,918.16/x
  3. Step 3: Cross multiply
    20,710,986.66x = 31,066,463.56 × 5,564,918.16
  4. Step 4: Simplify right side
    20,710,986.66x = 172,882,327,232,022.25
  5. Step 5: Solve for x
    x = 172,882,327,232,022.25/20,710,986.66
  6. Step 6: Final answer
    x = 8,347,372.83

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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.