Home / 12,765,809.20-19,148,713.80-8,734,730.80

Finding the Fourth Proportional to 12,765,809.20, 19,148,713.80 and 8,734,730.80

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Solution

The fourth proportional to 12,765,809.20, 19,148,713.80 and 8,734,730.80 is: 13,102,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,809.20 : 19,148,713.80 = 8,734,730.80 : x
  2. Step 2: Convert to fraction form
    12,765,809.20/19,148,713.80 = 8,734,730.80/x
  3. Step 3: Cross multiply
    12,765,809.20x = 19,148,713.80 × 8,734,730.80
  4. Step 4: Simplify right side
    12,765,809.20x = 167,258,860,209,245.06
  5. Step 5: Solve for x
    x = 167,258,860,209,245.06/12,765,809.20
  6. Step 6: Final answer
    x = 13,102,096.20

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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.