Home / 19,142,374.52-28,697,421.72-8,351,760.80

Finding the Fourth Proportional to 19,142,374.52, 28,697,421.72 and 8,351,760.80

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Solution

The fourth proportional to 19,142,374.52, 28,697,421.72 and 8,351,760.80 is: 12,520,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142,374.52 : 28,697,421.72 = 8,351,760.80 : x
  2. Step 2: Convert to fraction form
    19,142,374.52/28,697,421.72 = 8,351,760.80/x
  3. Step 3: Cross multiply
    19,142,374.52x = 28,697,421.72 × 8,351,760.80
  4. Step 4: Simplify right side
    19,142,374.52x = 239,674,001,782,164.56
  5. Step 5: Solve for x
    x = 239,674,001,782,164.56/19,142,374.52
  6. Step 6: Final answer
    x = 12,520,599.34

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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.