Home / 19,148,840.80-28,723,261.20-13,102,223.20

Finding the Fourth Proportional to 19,148,840.80, 28,723,261.20 and 13,102,223.20

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Solution

The fourth proportional to 19,148,840.80, 28,723,261.20 and 13,102,223.20 is: 19,653,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148,840.80 : 28,723,261.20 = 13,102,223.20 : x
  2. Step 2: Convert to fraction form
    19,148,840.80/28,723,261.20 = 13,102,223.20/x
  3. Step 3: Cross multiply
    19,148,840.80x = 28,723,261.20 × 13,102,223.20
  4. Step 4: Simplify right side
    19,148,840.80x = 376,338,579,274,299.81
  5. Step 5: Solve for x
    x = 376,338,579,274,299.81/19,148,840.80
  6. Step 6: Final answer
    x = 19,653,334.80

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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.