Home / 12,196,469.84-16,831,011.48-6,689,730.56

Finding the Fourth Proportional to 12,196,469.84, 16,831,011.48 and 6,689,730.56

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Solution

The fourth proportional to 12,196,469.84, 16,831,011.48 and 6,689,730.56 is: 9,231,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196,469.84 : 16,831,011.48 = 6,689,730.56 : x
  2. Step 2: Convert to fraction form
    12,196,469.84/16,831,011.48 = 6,689,730.56/x
  3. Step 3: Cross multiply
    12,196,469.84x = 16,831,011.48 × 6,689,730.56
  4. Step 4: Simplify right side
    12,196,469.84x = 112,594,931,853,466.83
  5. Step 5: Solve for x
    x = 112,594,931,853,466.83/12,196,469.84
  6. Step 6: Final answer
    x = 9,231,764.05

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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.