Home / 25,754,644.60-38,631,966.90-7,801,415.80

Finding the Fourth Proportional to 25,754,644.60, 38,631,966.90 and 7,801,415.80

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Solution

The fourth proportional to 25,754,644.60, 38,631,966.90 and 7,801,415.80 is: 11,702,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754,644.60 : 38,631,966.90 = 7,801,415.80 : x
  2. Step 2: Convert to fraction form
    25,754,644.60/38,631,966.90 = 7,801,415.80/x
  3. Step 3: Cross multiply
    25,754,644.60x = 38,631,966.90 × 7,801,415.80
  4. Step 4: Simplify right side
    25,754,644.60x = 301,384,036,958,737
  5. Step 5: Solve for x
    x = 301,384,036,958,737/25,754,644.60
  6. Step 6: Final answer
    x = 11,702,123.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.