Home / 12,318,531.36-16,999,683.38-6,812,276.67

Finding the Fourth Proportional to 12,318,531.36, 16,999,683.38 and 6,812,276.67

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Solution

The fourth proportional to 12,318,531.36, 16,999,683.38 and 6,812,276.67 is: 9,401,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,531.36 : 16,999,683.38 = 6,812,276.67 : x
  2. Step 2: Convert to fraction form
    12,318,531.36/16,999,683.38 = 6,812,276.67/x
  3. Step 3: Cross multiply
    12,318,531.36x = 16,999,683.38 × 6,812,276.67
  4. Step 4: Simplify right side
    12,318,531.36x = 115,806,546,452,899.36
  5. Step 5: Solve for x
    x = 115,806,546,452,899.36/12,318,531.36
  6. Step 6: Final answer
    x = 9,401,002.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.