Home / 38,839,896.02-53,598,792.60-21,436,240.88

Finding the Fourth Proportional to 38,839,896.02, 53,598,792.60 and 21,436,240.88

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Solution

The fourth proportional to 38,839,896.02, 53,598,792.60 and 21,436,240.88 is: 29,581,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,896.02 : 53,598,792.60 = 21,436,240.88 : x
  2. Step 2: Convert to fraction form
    38,839,896.02/53,598,792.60 = 21,436,240.88/x
  3. Step 3: Cross multiply
    38,839,896.02x = 53,598,792.60 × 21,436,240.88
  4. Step 4: Simplify right side
    38,839,896.02x = 1,148,956,629,050,761.50
  5. Step 5: Solve for x
    x = 1,148,956,629,050,761.50/38,839,896.02
  6. Step 6: Final answer
    x = 29,581,866.76

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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.