Home / 38,285,491.34-52,834,607.82-20,881,836.70

Finding the Fourth Proportional to 38,285,491.34, 52,834,607.82 and 20,881,836.70

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Solution

The fourth proportional to 38,285,491.34, 52,834,607.82 and 20,881,836.70 is: 28,817,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285,491.34 : 52,834,607.82 = 20,881,836.70 : x
  2. Step 2: Convert to fraction form
    38,285,491.34/52,834,607.82 = 20,881,836.70/x
  3. Step 3: Cross multiply
    38,285,491.34x = 52,834,607.82 × 20,881,836.70
  4. Step 4: Simplify right side
    38,285,491.34x = 1,103,283,652,473,696.62
  5. Step 5: Solve for x
    x = 1,103,283,652,473,696.62/38,285,491.34
  6. Step 6: Final answer
    x = 28,817,278.13

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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.