Home / 12,875,285.28-19,305,648.27-4,237,051.68

Finding the Fourth Proportional to 12,875,285.28, 19,305,648.27 and 4,237,051.68

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Solution

The fourth proportional to 12,875,285.28, 19,305,648.27 and 4,237,051.68 is: 6,353,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,285.28 : 19,305,648.27 = 4,237,051.68 : x
  2. Step 2: Convert to fraction form
    12,875,285.28/19,305,648.27 = 4,237,051.68/x
  3. Step 3: Cross multiply
    12,875,285.28x = 19,305,648.27 × 4,237,051.68
  4. Step 4: Simplify right side
    12,875,285.28x = 81,799,029,435,892.59
  5. Step 5: Solve for x
    x = 81,799,029,435,892.59/12,875,285.28
  6. Step 6: Final answer
    x = 6,353,181.90

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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.