Home / 12,116,885.94-16,721,033.49-6,684,376.50

Finding the Fourth Proportional to 12,116,885.94, 16,721,033.49 and 6,684,376.50

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Solution

The fourth proportional to 12,116,885.94, 16,721,033.49 and 6,684,376.50 is: 9,224,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,885.94 : 16,721,033.49 = 6,684,376.50 : x
  2. Step 2: Convert to fraction form
    12,116,885.94/16,721,033.49 = 6,684,376.50/x
  3. Step 3: Cross multiply
    12,116,885.94x = 16,721,033.49 × 6,684,376.50
  4. Step 4: Simplify right side
    12,116,885.94x = 111,769,683,316,268.98
  5. Step 5: Solve for x
    x = 111,769,683,316,268.98/12,116,885.94
  6. Step 6: Final answer
    x = 9,224,291.11

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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.