Home / 12,294,132.90-16,965,811.71-6,787,506.66

Finding the Fourth Proportional to 12,294,132.90, 16,965,811.71 and 6,787,506.66

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Solution

The fourth proportional to 12,294,132.90, 16,965,811.71 and 6,787,506.66 is: 9,366,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,132.90 : 16,965,811.71 = 6,787,506.66 : x
  2. Step 2: Convert to fraction form
    12,294,132.90/16,965,811.71 = 6,787,506.66/x
  3. Step 3: Cross multiply
    12,294,132.90x = 16,965,811.71 × 6,787,506.66
  4. Step 4: Simplify right side
    12,294,132.90x = 115,155,559,973,931
  5. Step 5: Solve for x
    x = 115,155,559,973,931/12,294,132.90
  6. Step 6: Final answer
    x = 9,366,708.57

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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.