Home / 13,994,298.60-21,000,779.10-7,929,018.60

Finding the Fourth Proportional to 13,994,298.60, 21,000,779.10 and 7,929,018.60

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Solution

The fourth proportional to 13,994,298.60, 21,000,779.10 and 7,929,018.60 is: 11,898,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994,298.60 : 21,000,779.10 = 7,929,018.60 : x
  2. Step 2: Convert to fraction form
    13,994,298.60/21,000,779.10 = 7,929,018.60/x
  3. Step 3: Cross multiply
    13,994,298.60x = 21,000,779.10 × 7,929,018.60
  4. Step 4: Simplify right side
    13,994,298.60x = 166,515,568,098,391.25
  5. Step 5: Solve for x
    x = 166,515,568,098,391.25/13,994,298.60
  6. Step 6: Final answer
    x = 11,898,814.86

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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.