Home / 12,470,995.20-18,702,604.80-4,900,281.60

Finding the Fourth Proportional to 12,470,995.20, 18,702,604.80 and 4,900,281.60

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Solution

The fourth proportional to 12,470,995.20, 18,702,604.80 and 4,900,281.60 is: 7,348,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,995.20 : 18,702,604.80 = 4,900,281.60 : x
  2. Step 2: Convert to fraction form
    12,470,995.20/18,702,604.80 = 4,900,281.60/x
  3. Step 3: Cross multiply
    12,470,995.20x = 18,702,604.80 × 4,900,281.60
  4. Step 4: Simplify right side
    12,470,995.20x = 91,648,030,173,511.67
  5. Step 5: Solve for x
    x = 91,648,030,173,511.67/12,470,995.20
  6. Step 6: Final answer
    x = 7,348,894.67

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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.