Home / 18,338,864.49-25,308,202.32-10,078,776.48

Finding the Fourth Proportional to 18,338,864.49, 25,308,202.32 and 10,078,776.48

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Solution

The fourth proportional to 18,338,864.49, 25,308,202.32 and 10,078,776.48 is: 13,909,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,864.49 : 25,308,202.32 = 10,078,776.48 : x
  2. Step 2: Convert to fraction form
    18,338,864.49/25,308,202.32 = 10,078,776.48/x
  3. Step 3: Cross multiply
    18,338,864.49x = 25,308,202.32 × 10,078,776.48
  4. Step 4: Simplify right side
    18,338,864.49x = 255,075,714,293,897.44
  5. Step 5: Solve for x
    x = 255,075,714,293,897.44/18,338,864.49
  6. Step 6: Final answer
    x = 13,909,024.43

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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.