Home / 12,092,646-16,698,942.20-7,683,823.90

Finding the Fourth Proportional to 12,092,646, 16,698,942.20 and 7,683,823.90

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Solution

The fourth proportional to 12,092,646, 16,698,942.20 and 7,683,823.90 is: 10,610,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092,646 : 16,698,942.20 = 7,683,823.90 : x
  2. Step 2: Convert to fraction form
    12,092,646/16,698,942.20 = 7,683,823.90/x
  3. Step 3: Cross multiply
    12,092,646x = 16,698,942.20 × 7,683,823.90
  4. Step 4: Simplify right side
    12,092,646x = 128,311,731,158,540.78
  5. Step 5: Solve for x
    x = 128,311,731,158,540.78/12,092,646
  6. Step 6: Final answer
    x = 10,610,724.17

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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.