Home / 20,732,579.60-31,084,872.60-11,018,800.40

Finding the Fourth Proportional to 20,732,579.60, 31,084,872.60 and 11,018,800.40

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Solution

The fourth proportional to 20,732,579.60, 31,084,872.60 and 11,018,800.40 is: 16,520,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,579.60 : 31,084,872.60 = 11,018,800.40 : x
  2. Step 2: Convert to fraction form
    20,732,579.60/31,084,872.60 = 11,018,800.40/x
  3. Step 3: Cross multiply
    20,732,579.60x = 31,084,872.60 × 11,018,800.40
  4. Step 4: Simplify right side
    20,732,579.60x = 342,518,006,638,829.06
  5. Step 5: Solve for x
    x = 342,518,006,638,829.06/20,732,579.60
  6. Step 6: Final answer
    x = 16,520,761.68

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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.