Home / 12,849,851.72-17,732,628.06-7,343,163.92

Finding the Fourth Proportional to 12,849,851.72, 17,732,628.06 and 7,343,163.92

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Solution

The fourth proportional to 12,849,851.72, 17,732,628.06 and 7,343,163.92 is: 10,133,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,851.72 : 17,732,628.06 = 7,343,163.92 : x
  2. Step 2: Convert to fraction form
    12,849,851.72/17,732,628.06 = 7,343,163.92/x
  3. Step 3: Cross multiply
    12,849,851.72x = 17,732,628.06 × 7,343,163.92
  4. Step 4: Simplify right side
    12,849,851.72x = 130,213,594,576,971.58
  5. Step 5: Solve for x
    x = 130,213,594,576,971.58/12,849,851.72
  6. Step 6: Final answer
    x = 10,133,470.60

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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.