Home / 42,557,828.38-63,845,709.34-13,801,721.80

Finding the Fourth Proportional to 42,557,828.38, 63,845,709.34 and 13,801,721.80

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Solution

The fourth proportional to 42,557,828.38, 63,845,709.34 and 13,801,721.80 is: 20,705,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557,828.38 : 63,845,709.34 = 13,801,721.80 : x
  2. Step 2: Convert to fraction form
    42,557,828.38/63,845,709.34 = 13,801,721.80/x
  3. Step 3: Cross multiply
    42,557,828.38x = 63,845,709.34 × 13,801,721.80
  4. Step 4: Simplify right side
    42,557,828.38x = 881,180,718,434,341.75
  5. Step 5: Solve for x
    x = 881,180,718,434,341.75/42,557,828.38
  6. Step 6: Final answer
    x = 20,705,490.67

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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.