Home / 18,338,862-25,308,198.88-10,078,773.98

Finding the Fourth Proportional to 18,338,862, 25,308,198.88 and 10,078,773.98

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Solution

The fourth proportional to 18,338,862, 25,308,198.88 and 10,078,773.98 is: 13,909,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,862 : 25,308,198.88 = 10,078,773.98 : x
  2. Step 2: Convert to fraction form
    18,338,862/25,308,198.88 = 10,078,773.98/x
  3. Step 3: Cross multiply
    18,338,862x = 25,308,198.88 × 10,078,773.98
  4. Step 4: Simplify right side
    18,338,862x = 255,075,616,352,409.16
  5. Step 5: Solve for x
    x = 255,075,616,352,409.16/18,338,862
  6. Step 6: Final answer
    x = 13,909,020.98

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1.5x scale

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.