Home / 12,334,372.69-18,519,746.64-6,880,123.69

Finding the Fourth Proportional to 12,334,372.69, 18,519,746.64 and 6,880,123.69

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Solution

The fourth proportional to 12,334,372.69, 18,519,746.64 and 6,880,123.69 is: 10,330,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334,372.69 : 18,519,746.64 = 6,880,123.69 : x
  2. Step 2: Convert to fraction form
    12,334,372.69/18,519,746.64 = 6,880,123.69/x
  3. Step 3: Cross multiply
    12,334,372.69x = 18,519,746.64 × 6,880,123.69
  4. Step 4: Simplify right side
    12,334,372.69x = 127,418,147,590,661.91
  5. Step 5: Solve for x
    x = 127,418,147,590,661.91/12,334,372.69
  6. Step 6: Final answer
    x = 10,330,330.60

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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.