Home / 13,478,210.48-20,196,743.20-8,002,522.58

Finding the Fourth Proportional to 13,478,210.48, 20,196,743.20 and 8,002,522.58

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Solution

The fourth proportional to 13,478,210.48, 20,196,743.20 and 8,002,522.58 is: 11,991,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,210.48 : 20,196,743.20 = 8,002,522.58 : x
  2. Step 2: Convert to fraction form
    13,478,210.48/20,196,743.20 = 8,002,522.58/x
  3. Step 3: Cross multiply
    13,478,210.48x = 20,196,743.20 × 8,002,522.58
  4. Step 4: Simplify right side
    13,478,210.48x = 161,624,893,500,461.44
  5. Step 5: Solve for x
    x = 161,624,893,500,461.44/13,478,210.48
  6. Step 6: Final answer
    x = 11,991,569.19

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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.