Home / 19,148,465.80-28,722,698.70-13,101,848.20

Finding the Fourth Proportional to 19,148,465.80, 28,722,698.70 and 13,101,848.20

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Solution

The fourth proportional to 19,148,465.80, 28,722,698.70 and 13,101,848.20 is: 19,652,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148,465.80 : 28,722,698.70 = 13,101,848.20 : x
  2. Step 2: Convert to fraction form
    19,148,465.80/28,722,698.70 = 13,101,848.20/x
  3. Step 3: Cross multiply
    19,148,465.80x = 28,722,698.70 × 13,101,848.20
  4. Step 4: Simplify right side
    19,148,465.80x = 376,320,438,261,737.31
  5. Step 5: Solve for x
    x = 376,320,438,261,737.31/19,148,465.80
  6. Step 6: Final answer
    x = 19,652,772.30

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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.