Home / 12,660,004.71-18,967,174.77-7,793,842.23

Finding the Fourth Proportional to 12,660,004.71, 18,967,174.77 and 7,793,842.23

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Solution

The fourth proportional to 12,660,004.71, 18,967,174.77 and 7,793,842.23 is: 11,676,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,004.71 : 18,967,174.77 = 7,793,842.23 : x
  2. Step 2: Convert to fraction form
    12,660,004.71/18,967,174.77 = 7,793,842.23/x
  3. Step 3: Cross multiply
    12,660,004.71x = 18,967,174.77 × 7,793,842.23
  4. Step 4: Simplify right side
    12,660,004.71x = 147,827,167,706,216.53
  5. Step 5: Solve for x
    x = 147,827,167,706,216.53/12,660,004.71
  6. Step 6: Final answer
    x = 11,676,707.17

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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.