Home / 12,318,576.81-16,999,746.03-6,812,322.27

Finding the Fourth Proportional to 12,318,576.81, 16,999,746.03 and 6,812,322.27

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Solution

The fourth proportional to 12,318,576.81, 16,999,746.03 and 6,812,322.27 is: 9,401,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,576.81 : 16,999,746.03 = 6,812,322.27 : x
  2. Step 2: Convert to fraction form
    12,318,576.81/16,999,746.03 = 6,812,322.27/x
  3. Step 3: Cross multiply
    12,318,576.81x = 16,999,746.03 × 6,812,322.27
  4. Step 4: Simplify right side
    12,318,576.81x = 115,807,748,464,513.09
  5. Step 5: Solve for x
    x = 115,807,748,464,513.09/12,318,576.81
  6. Step 6: Final answer
    x = 9,401,065.58

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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.