Home / 37,481,139.12-51,723,607.56-20,961,075.84

Finding the Fourth Proportional to 37,481,139.12, 51,723,607.56 and 20,961,075.84

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Solution

The fourth proportional to 37,481,139.12, 51,723,607.56 and 20,961,075.84 is: 28,926,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,481,139.12 : 51,723,607.56 = 20,961,075.84 : x
  2. Step 2: Convert to fraction form
    37,481,139.12/51,723,607.56 = 20,961,075.84/x
  3. Step 3: Cross multiply
    37,481,139.12x = 51,723,607.56 × 20,961,075.84
  4. Step 4: Simplify right side
    37,481,139.12x = 1,084,182,460,783,557.38
  5. Step 5: Solve for x
    x = 1,084,182,460,783,557.38/37,481,139.12
  6. Step 6: Final answer
    x = 28,926,080.86

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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.