Home / 18,397,223.82-25,389,283.64-10,137,276.11

Finding the Fourth Proportional to 18,397,223.82, 25,389,283.64 and 10,137,276.11

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Solution

The fourth proportional to 18,397,223.82, 25,389,283.64 and 10,137,276.11 is: 13,990,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,223.82 : 25,389,283.64 = 10,137,276.11 : x
  2. Step 2: Convert to fraction form
    18,397,223.82/25,389,283.64 = 10,137,276.11/x
  3. Step 3: Cross multiply
    18,397,223.82x = 25,389,283.64 × 10,137,276.11
  4. Step 4: Simplify right side
    18,397,223.82x = 257,378,178,506,572.72
  5. Step 5: Solve for x
    x = 257,378,178,506,572.72/18,397,223.82
  6. Step 6: Final answer
    x = 13,990,055.29

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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.