Home / 21,392,601.60-32,085,459.20-6,242,982.40

Finding the Fourth Proportional to 21,392,601.60, 32,085,459.20 and 6,242,982.40

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Solution

The fourth proportional to 21,392,601.60, 32,085,459.20 and 6,242,982.40 is: 9,363,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392,601.60 : 32,085,459.20 = 6,242,982.40 : x
  2. Step 2: Convert to fraction form
    21,392,601.60/32,085,459.20 = 6,242,982.40/x
  3. Step 3: Cross multiply
    21,392,601.60x = 32,085,459.20 × 6,242,982.40
  4. Step 4: Simplify right side
    21,392,601.60x = 200,308,957,081,518.09
  5. Step 5: Solve for x
    x = 200,308,957,081,518.09/21,392,601.60
  6. Step 6: Final answer
    x = 9,363,468.77

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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.