Home / 21,936,895.81-30,272,544.01-12,147,129.81

Finding the Fourth Proportional to 21,936,895.81, 30,272,544.01 and 12,147,129.81

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Solution

The fourth proportional to 21,936,895.81, 30,272,544.01 and 12,147,129.81 is: 16,762,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936,895.81 : 30,272,544.01 = 12,147,129.81 : x
  2. Step 2: Convert to fraction form
    21,936,895.81/30,272,544.01 = 12,147,129.81/x
  3. Step 3: Cross multiply
    21,936,895.81x = 30,272,544.01 × 12,147,129.81
  4. Step 4: Simplify right side
    21,936,895.81x = 367,724,521,728,567.81
  5. Step 5: Solve for x
    x = 367,724,521,728,567.81/21,936,895.81
  6. Step 6: Final answer
    x = 16,762,833.03

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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.