Home / 11,869,915.80-16,380,483.81-6,437,407.80

Finding the Fourth Proportional to 11,869,915.80, 16,380,483.81 and 6,437,407.80

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Solution

The fourth proportional to 11,869,915.80, 16,380,483.81 and 6,437,407.80 is: 8,883,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,915.80 : 16,380,483.81 = 6,437,407.80 : x
  2. Step 2: Convert to fraction form
    11,869,915.80/16,380,483.81 = 6,437,407.80/x
  3. Step 3: Cross multiply
    11,869,915.80x = 16,380,483.81 × 6,437,407.80
  4. Step 4: Simplify right side
    11,869,915.80x = 105,447,854,289,064.72
  5. Step 5: Solve for x
    x = 105,447,854,289,064.72/11,869,915.80
  6. Step 6: Final answer
    x = 8,883,622.77

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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.