Home / 20,739,792.40-31,109,688.60-16,410,115.60

Finding the Fourth Proportional to 20,739,792.40, 31,109,688.60 and 16,410,115.60

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Solution

The fourth proportional to 20,739,792.40, 31,109,688.60 and 16,410,115.60 is: 24,615,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,739,792.40 : 31,109,688.60 = 16,410,115.60 : x
  2. Step 2: Convert to fraction form
    20,739,792.40/31,109,688.60 = 16,410,115.60/x
  3. Step 3: Cross multiply
    20,739,792.40x = 31,109,688.60 × 16,410,115.60
  4. Step 4: Simplify right side
    20,739,792.40x = 510,513,586,206,002.19
  5. Step 5: Solve for x
    x = 510,513,586,206,002.19/20,739,792.40
  6. Step 6: Final answer
    x = 24,615,173.40

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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.