Home / 18,338,863-25,308,200.26-10,078,774.98

Finding the Fourth Proportional to 18,338,863, 25,308,200.26 and 10,078,774.98

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Solution

The fourth proportional to 18,338,863, 25,308,200.26 and 10,078,774.98 is: 13,909,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,863 : 25,308,200.26 = 10,078,774.98 : x
  2. Step 2: Convert to fraction form
    18,338,863/25,308,200.26 = 10,078,774.98/x
  3. Step 3: Cross multiply
    18,338,863x = 25,308,200.26 × 10,078,774.98
  4. Step 4: Simplify right side
    18,338,863x = 255,075,655,569,317.53
  5. Step 5: Solve for x
    x = 255,075,655,569,317.53/18,338,863
  6. Step 6: Final answer
    x = 13,909,022.36

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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.