Home / 13,789,848.70-20,684,717.52-4,205,199.70

Finding the Fourth Proportional to 13,789,848.70, 20,684,717.52 and 4,205,199.70

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Solution

The fourth proportional to 13,789,848.70, 20,684,717.52 and 4,205,199.70 is: 6,307,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,848.70 : 20,684,717.52 = 4,205,199.70 : x
  2. Step 2: Convert to fraction form
    13,789,848.70/20,684,717.52 = 4,205,199.70/x
  3. Step 3: Cross multiply
    13,789,848.70x = 20,684,717.52 × 4,205,199.70
  4. Step 4: Simplify right side
    13,789,848.70x = 86,983,367,909,688.75
  5. Step 5: Solve for x
    x = 86,983,367,909,688.75/13,789,848.70
  6. Step 6: Final answer
    x = 6,307,782.62

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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.