Home / 38,279,500.80-52,824,526.56-21,761,427.84

Finding the Fourth Proportional to 38,279,500.80, 52,824,526.56 and 21,761,427.84

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Solution

The fourth proportional to 38,279,500.80, 52,824,526.56 and 21,761,427.84 is: 30,030,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279,500.80 : 52,824,526.56 = 21,761,427.84 : x
  2. Step 2: Convert to fraction form
    38,279,500.80/52,824,526.56 = 21,761,427.84/x
  3. Step 3: Cross multiply
    38,279,500.80x = 52,824,526.56 × 21,761,427.84
  4. Step 4: Simplify right side
    38,279,500.80x = 1,149,537,122,917,603.50
  5. Step 5: Solve for x
    x = 1,149,537,122,917,603.50/38,279,500.80
  6. Step 6: Final answer
    x = 30,030,097.02

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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.