Home / 12,128,468.90-18,192,703.35-6,064,136.60

Finding the Fourth Proportional to 12,128,468.90, 18,192,703.35 and 6,064,136.60

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Solution

The fourth proportional to 12,128,468.90, 18,192,703.35 and 6,064,136.60 is: 9,096,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,468.90 : 18,192,703.35 = 6,064,136.60 : x
  2. Step 2: Convert to fraction form
    12,128,468.90/18,192,703.35 = 6,064,136.60/x
  3. Step 3: Cross multiply
    12,128,468.90x = 18,192,703.35 × 6,064,136.60
  4. Step 4: Simplify right side
    12,128,468.90x = 110,323,038,237,677.61
  5. Step 5: Solve for x
    x = 110,323,038,237,677.61/12,128,468.90
  6. Step 6: Final answer
    x = 9,096,204.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.