Home / 18,756,965.82-25,884,056.88-10,384,708.72

Finding the Fourth Proportional to 18,756,965.82, 25,884,056.88 and 10,384,708.72

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Solution

The fourth proportional to 18,756,965.82, 25,884,056.88 and 10,384,708.72 is: 14,330,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,965.82 : 25,884,056.88 = 10,384,708.72 : x
  2. Step 2: Convert to fraction form
    18,756,965.82/25,884,056.88 = 10,384,708.72/x
  3. Step 3: Cross multiply
    18,756,965.82x = 25,884,056.88 × 10,384,708.72
  4. Step 4: Simplify right side
    18,756,965.82x = 268,798,391,190,712
  5. Step 5: Solve for x
    x = 268,798,391,190,712/18,756,965.82
  6. Step 6: Final answer
    x = 14,330,590.23

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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.