Home / 9,042,119.94-12,478,136.43-4,912,153.86

Finding the Fourth Proportional to 9,042,119.94, 12,478,136.43 and 4,912,153.86

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Solution

The fourth proportional to 9,042,119.94, 12,478,136.43 and 4,912,153.86 is: 6,778,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,119.94 : 12,478,136.43 = 4,912,153.86 : x
  2. Step 2: Convert to fraction form
    9,042,119.94/12,478,136.43 = 4,912,153.86/x
  3. Step 3: Cross multiply
    9,042,119.94x = 12,478,136.43 × 4,912,153.86
  4. Step 4: Simplify right side
    9,042,119.94x = 61,294,526,030,231.12
  5. Step 5: Solve for x
    x = 61,294,526,030,231.12/9,042,119.94
  6. Step 6: Final answer
    x = 6,778,778.26

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1.5x scale

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.