Home / 12,343,705.70-18,515,558.55-4,365,529.70

Finding the Fourth Proportional to 12,343,705.70, 18,515,558.55 and 4,365,529.70

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Solution

The fourth proportional to 12,343,705.70, 18,515,558.55 and 4,365,529.70 is: 6,548,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,705.70 : 18,515,558.55 = 4,365,529.70 : x
  2. Step 2: Convert to fraction form
    12,343,705.70/18,515,558.55 = 4,365,529.70/x
  3. Step 3: Cross multiply
    12,343,705.70x = 18,515,558.55 × 4,365,529.70
  4. Step 4: Simplify right side
    12,343,705.70x = 80,830,220,762,113.94
  5. Step 5: Solve for x
    x = 80,830,220,762,113.94/12,343,705.70
  6. Step 6: Final answer
    x = 6,548,294.55

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1.5x scale

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.