Home / 20,400,840.72-30,605,299.59-5,827,886

Finding the Fourth Proportional to 20,400,840.72, 30,605,299.59 and 5,827,886

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Solution

The fourth proportional to 20,400,840.72, 30,605,299.59 and 5,827,886 is: 8,742,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,400,840.72 : 30,605,299.59 = 5,827,886 : x
  2. Step 2: Convert to fraction form
    20,400,840.72/30,605,299.59 = 5,827,886/x
  3. Step 3: Cross multiply
    20,400,840.72x = 30,605,299.59 × 5,827,886
  4. Step 4: Simplify right side
    20,400,840.72x = 178,364,197,006,366.75
  5. Step 5: Solve for x
    x = 178,364,197,006,366.75/20,400,840.72
  6. Step 6: Final answer
    x = 8,742,982.68

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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.