Home / 28,911,698.42-43,362,894.15-8,436,610.76

Finding the Fourth Proportional to 28,911,698.42, 43,362,894.15 and 8,436,610.76

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Solution

The fourth proportional to 28,911,698.42, 43,362,894.15 and 8,436,610.76 is: 12,653,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,698.42 : 43,362,894.15 = 8,436,610.76 : x
  2. Step 2: Convert to fraction form
    28,911,698.42/43,362,894.15 = 8,436,610.76/x
  3. Step 3: Cross multiply
    28,911,698.42x = 43,362,894.15 × 8,436,610.76
  4. Step 4: Simplify right side
    28,911,698.42x = 365,835,859,153,816.62
  5. Step 5: Solve for x
    x = 365,835,859,153,816.62/28,911,698.42
  6. Step 6: Final answer
    x = 12,653,558.22

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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.