Home / 18,657,259.72-25,746,668.64-10,397,140.24

Finding the Fourth Proportional to 18,657,259.72, 25,746,668.64 and 10,397,140.24

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Solution

The fourth proportional to 18,657,259.72, 25,746,668.64 and 10,397,140.24 is: 14,347,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657,259.72 : 25,746,668.64 = 10,397,140.24 : x
  2. Step 2: Convert to fraction form
    18,657,259.72/25,746,668.64 = 10,397,140.24/x
  3. Step 3: Cross multiply
    18,657,259.72x = 25,746,668.64 × 10,397,140.24
  4. Step 4: Simplify right side
    18,657,259.72x = 267,691,724,562,890.09
  5. Step 5: Solve for x
    x = 267,691,724,562,890.09/18,657,259.72
  6. Step 6: Final answer
    x = 14,347,858.61

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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.