Home / 15,576,571.72-21,495,667.70-8,701,053.72

Finding the Fourth Proportional to 15,576,571.72, 21,495,667.70 and 8,701,053.72

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Solution

The fourth proportional to 15,576,571.72, 21,495,667.70 and 8,701,053.72 is: 12,007,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576,571.72 : 21,495,667.70 = 8,701,053.72 : x
  2. Step 2: Convert to fraction form
    15,576,571.72/21,495,667.70 = 8,701,053.72/x
  3. Step 3: Cross multiply
    15,576,571.72x = 21,495,667.70 × 8,701,053.72
  4. Step 4: Simplify right side
    15,576,571.72x = 187,034,959,404,968.84
  5. Step 5: Solve for x
    x = 187,034,959,404,968.84/15,576,571.72
  6. Step 6: Final answer
    x = 12,007,453.42

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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.