Home / 12,124,479.60-18,186,719.40-4,932,311.40

Finding the Fourth Proportional to 12,124,479.60, 18,186,719.40 and 4,932,311.40

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Solution

The fourth proportional to 12,124,479.60, 18,186,719.40 and 4,932,311.40 is: 7,398,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,479.60 : 18,186,719.40 = 4,932,311.40 : x
  2. Step 2: Convert to fraction form
    12,124,479.60/18,186,719.40 = 4,932,311.40/x
  3. Step 3: Cross multiply
    12,124,479.60x = 18,186,719.40 × 4,932,311.40
  4. Step 4: Simplify right side
    12,124,479.60x = 89,702,563,425,221.16
  5. Step 5: Solve for x
    x = 89,702,563,425,221.16/12,124,479.60
  6. Step 6: Final answer
    x = 7,398,467.10

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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.