Home / 8,771,792.40-13,157,688.60-6,646,028.40

Finding the Fourth Proportional to 8,771,792.40, 13,157,688.60 and 6,646,028.40

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Solution

The fourth proportional to 8,771,792.40, 13,157,688.60 and 6,646,028.40 is: 9,969,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771,792.40 : 13,157,688.60 = 6,646,028.40 : x
  2. Step 2: Convert to fraction form
    8,771,792.40/13,157,688.60 = 6,646,028.40/x
  3. Step 3: Cross multiply
    8,771,792.40x = 13,157,688.60 × 6,646,028.40
  4. Step 4: Simplify right side
    8,771,792.40x = 87,446,372,113,956.25
  5. Step 5: Solve for x
    x = 87,446,372,113,956.25/8,771,792.40
  6. Step 6: Final answer
    x = 9,969,042.60

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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.