Home / 38,308,262.82-52,866,519.16-20,905,729

Finding the Fourth Proportional to 38,308,262.82, 52,866,519.16 and 20,905,729

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Solution

The fourth proportional to 38,308,262.82, 52,866,519.16 and 20,905,729 is: 28,850,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,262.82 : 52,866,519.16 = 20,905,729 : x
  2. Step 2: Convert to fraction form
    38,308,262.82/52,866,519.16 = 20,905,729/x
  3. Step 3: Cross multiply
    38,308,262.82x = 52,866,519.16 × 20,905,729
  4. Step 4: Simplify right side
    38,308,262.82x = 1,105,213,122,732,267.62
  5. Step 5: Solve for x
    x = 1,105,213,122,732,267.62/38,308,262.82
  6. Step 6: Final answer
    x = 28,850,515.30

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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.