Home / 12,484,809.20-18,723,325.80-4,914,095.60

Finding the Fourth Proportional to 12,484,809.20, 18,723,325.80 and 4,914,095.60

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Solution

The fourth proportional to 12,484,809.20, 18,723,325.80 and 4,914,095.60 is: 7,369,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,809.20 : 18,723,325.80 = 4,914,095.60 : x
  2. Step 2: Convert to fraction form
    12,484,809.20/18,723,325.80 = 4,914,095.60/x
  3. Step 3: Cross multiply
    12,484,809.20x = 18,723,325.80 × 4,914,095.60
  4. Step 4: Simplify right side
    12,484,809.20x = 92,008,212,931,146.48
  5. Step 5: Solve for x
    x = 92,008,212,931,146.48/12,484,809.20
  6. Step 6: Final answer
    x = 7,369,613.06

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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.