Home / 12,362,123.80-18,543,185.70-8,535,748.60

Finding the Fourth Proportional to 12,362,123.80, 18,543,185.70 and 8,535,748.60

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Solution

The fourth proportional to 12,362,123.80, 18,543,185.70 and 8,535,748.60 is: 12,803,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362,123.80 : 18,543,185.70 = 8,535,748.60 : x
  2. Step 2: Convert to fraction form
    12,362,123.80/18,543,185.70 = 8,535,748.60/x
  3. Step 3: Cross multiply
    12,362,123.80x = 18,543,185.70 × 8,535,748.60
  4. Step 4: Simplify right side
    12,362,123.80x = 158,279,971,378,315
  5. Step 5: Solve for x
    x = 158,279,971,378,315/12,362,123.80
  6. Step 6: Final answer
    x = 12,803,622.90

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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.