Home / 12,145,181.77-18,220,966.50-4,364,881.88

Finding the Fourth Proportional to 12,145,181.77, 18,220,966.50 and 4,364,881.88

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Solution

The fourth proportional to 12,145,181.77, 18,220,966.50 and 4,364,881.88 is: 6,548,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,181.77 : 18,220,966.50 = 4,364,881.88 : x
  2. Step 2: Convert to fraction form
    12,145,181.77/18,220,966.50 = 4,364,881.88/x
  3. Step 3: Cross multiply
    12,145,181.77x = 18,220,966.50 × 4,364,881.88
  4. Step 4: Simplify right side
    12,145,181.77x = 79,532,366,539,693.44
  5. Step 5: Solve for x
    x = 79,532,366,539,693.44/12,145,181.77
  6. Step 6: Final answer
    x = 6,548,470.67

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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.