Home / 11,721,934.80-17,570,071.80-4,145,000.40

Finding the Fourth Proportional to 11,721,934.80, 17,570,071.80 and 4,145,000.40

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Solution

The fourth proportional to 11,721,934.80, 17,570,071.80 and 4,145,000.40 is: 6,212,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721,934.80 : 17,570,071.80 = 4,145,000.40 : x
  2. Step 2: Convert to fraction form
    11,721,934.80/17,570,071.80 = 4,145,000.40/x
  3. Step 3: Cross multiply
    11,721,934.80x = 17,570,071.80 × 4,145,000.40
  4. Step 4: Simplify right side
    11,721,934.80x = 72,827,954,639,028.72
  5. Step 5: Solve for x
    x = 72,827,954,639,028.72/11,721,934.80
  6. Step 6: Final answer
    x = 6,212,963.63

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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.