Home / 13,022,140.23-19,537,275.74-7,840,429.83

Finding the Fourth Proportional to 13,022,140.23, 19,537,275.74 and 7,840,429.83

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Solution

The fourth proportional to 13,022,140.23, 19,537,275.74 and 7,840,429.83 is: 11,763,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022,140.23 : 19,537,275.74 = 7,840,429.83 : x
  2. Step 2: Convert to fraction form
    13,022,140.23/19,537,275.74 = 7,840,429.83/x
  3. Step 3: Cross multiply
    13,022,140.23x = 19,537,275.74 × 7,840,429.83
  4. Step 4: Simplify right side
    13,022,140.23x = 153,180,639,469,629.16
  5. Step 5: Solve for x
    x = 153,180,639,469,629.16/13,022,140.23
  6. Step 6: Final answer
    x = 11,763,092.45

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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.