Home / 27,732,666.36-38,270,948.94-15,509,571.96

Finding the Fourth Proportional to 27,732,666.36, 38,270,948.94 and 15,509,571.96

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Solution

The fourth proportional to 27,732,666.36, 38,270,948.94 and 15,509,571.96 is: 21,403,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732,666.36 : 38,270,948.94 = 15,509,571.96 : x
  2. Step 2: Convert to fraction form
    27,732,666.36/38,270,948.94 = 15,509,571.96/x
  3. Step 3: Cross multiply
    27,732,666.36x = 38,270,948.94 × 15,509,571.96
  4. Step 4: Simplify right side
    27,732,666.36x = 593,566,036,562,415.75
  5. Step 5: Solve for x
    x = 593,566,036,562,415.75/27,732,666.36
  6. Step 6: Final answer
    x = 21,403,136.25

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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.