Home / 18,292,006.08-25,243,976.16-10,143,069.12

Finding the Fourth Proportional to 18,292,006.08, 25,243,976.16 and 10,143,069.12

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Solution

The fourth proportional to 18,292,006.08, 25,243,976.16 and 10,143,069.12 is: 13,997,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292,006.08 : 25,243,976.16 = 10,143,069.12 : x
  2. Step 2: Convert to fraction form
    18,292,006.08/25,243,976.16 = 10,143,069.12/x
  3. Step 3: Cross multiply
    18,292,006.08x = 25,243,976.16 × 10,143,069.12
  4. Step 4: Simplify right side
    18,292,006.08x = 256,051,395,054,512.16
  5. Step 5: Solve for x
    x = 256,051,395,054,512.16/18,292,006.08
  6. Step 6: Final answer
    x = 13,997,994.20

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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.