Home / 12,088,807.02-18,128,855.94-4,000,289.58

Finding the Fourth Proportional to 12,088,807.02, 18,128,855.94 and 4,000,289.58

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Solution

The fourth proportional to 12,088,807.02, 18,128,855.94 and 4,000,289.58 is: 5,998,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,807.02 : 18,128,855.94 = 4,000,289.58 : x
  2. Step 2: Convert to fraction form
    12,088,807.02/18,128,855.94 = 4,000,289.58/x
  3. Step 3: Cross multiply
    12,088,807.02x = 18,128,855.94 × 4,000,289.58
  4. Step 4: Simplify right side
    12,088,807.02x = 72,520,673,514,103.11
  5. Step 5: Solve for x
    x = 72,520,673,514,103.11/12,088,807.02
  6. Step 6: Final answer
    x = 5,998,993.40

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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.