Home / 37,523,828.54-51,783,412.14-21,620,123.78

Finding the Fourth Proportional to 37,523,828.54, 51,783,412.14 and 21,620,123.78

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Solution

The fourth proportional to 37,523,828.54, 51,783,412.14 and 21,620,123.78 is: 29,836,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,523,828.54 : 51,783,412.14 = 21,620,123.78 : x
  2. Step 2: Convert to fraction form
    37,523,828.54/51,783,412.14 = 21,620,123.78/x
  3. Step 3: Cross multiply
    37,523,828.54x = 51,783,412.14 × 21,620,123.78
  4. Step 4: Simplify right side
    37,523,828.54x = 1,119,563,780,071,749.88
  5. Step 5: Solve for x
    x = 1,119,563,780,071,749.88/37,523,828.54
  6. Step 6: Final answer
    x = 29,836,075.47

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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.