Home / 12,088,801.40-18,128,847.53-4,000,283.96

Finding the Fourth Proportional to 12,088,801.40, 18,128,847.53 and 4,000,283.96

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Solution

The fourth proportional to 12,088,801.40, 18,128,847.53 and 4,000,283.96 is: 5,998,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,801.40 : 18,128,847.53 = 4,000,283.96 : x
  2. Step 2: Convert to fraction form
    12,088,801.40/18,128,847.53 = 4,000,283.96/x
  3. Step 3: Cross multiply
    12,088,801.40x = 18,128,847.53 × 4,000,283.96
  4. Step 4: Simplify right side
    12,088,801.40x = 72,520,537,906,901.09
  5. Step 5: Solve for x
    x = 72,520,537,906,901.09/12,088,801.40
  6. Step 6: Final answer
    x = 5,998,984.97

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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.