Home / 12,116,885.44-16,721,032.80-6,684,376

Finding the Fourth Proportional to 12,116,885.44, 16,721,032.80 and 6,684,376

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Solution

The fourth proportional to 12,116,885.44, 16,721,032.80 and 6,684,376 is: 9,224,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,885.44 : 16,721,032.80 = 6,684,376 : x
  2. Step 2: Convert to fraction form
    12,116,885.44/16,721,032.80 = 6,684,376/x
  3. Step 3: Cross multiply
    12,116,885.44x = 16,721,032.80 × 6,684,376
  4. Step 4: Simplify right side
    12,116,885.44x = 111,769,670,343,532.81
  5. Step 5: Solve for x
    x = 111,769,670,343,532.81/12,116,885.44
  6. Step 6: Final answer
    x = 9,224,290.42

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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.