Home / 12,152,378.52-18,237,539.34-5,762,652.48

Finding the Fourth Proportional to 12,152,378.52, 18,237,539.34 and 5,762,652.48

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Solution

The fourth proportional to 12,152,378.52, 18,237,539.34 and 5,762,652.48 is: 8,648,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,378.52 : 18,237,539.34 = 5,762,652.48 : x
  2. Step 2: Convert to fraction form
    12,152,378.52/18,237,539.34 = 5,762,652.48/x
  3. Step 3: Cross multiply
    12,152,378.52x = 18,237,539.34 × 5,762,652.48
  4. Step 4: Simplify right side
    12,152,378.52x = 105,096,601,306,748.58
  5. Step 5: Solve for x
    x = 105,096,601,306,748.58/12,152,378.52
  6. Step 6: Final answer
    x = 8,648,233.03

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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.