Home / 30,843,791.04-42,569,121.22-19,685,098.64

Finding the Fourth Proportional to 30,843,791.04, 42,569,121.22 and 19,685,098.64

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Solution

The fourth proportional to 30,843,791.04, 42,569,121.22 and 19,685,098.64 is: 27,168,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843,791.04 : 42,569,121.22 = 19,685,098.64 : x
  2. Step 2: Convert to fraction form
    30,843,791.04/42,569,121.22 = 19,685,098.64/x
  3. Step 3: Cross multiply
    30,843,791.04x = 42,569,121.22 × 19,685,098.64
  4. Step 4: Simplify right side
    30,843,791.04x = 837,977,350,233,817.12
  5. Step 5: Solve for x
    x = 837,977,350,233,817.12/30,843,791.04
  6. Step 6: Final answer
    x = 27,168,429.11

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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.