Home / 12,078,692.80-18,111,818.40-4,501,758.40

Finding the Fourth Proportional to 12,078,692.80, 18,111,818.40 and 4,501,758.40

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Solution

The fourth proportional to 12,078,692.80, 18,111,818.40 and 4,501,758.40 is: 6,750,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,692.80 : 18,111,818.40 = 4,501,758.40 : x
  2. Step 2: Convert to fraction form
    12,078,692.80/18,111,818.40 = 4,501,758.40/x
  3. Step 3: Cross multiply
    12,078,692.80x = 18,111,818.40 × 4,501,758.40
  4. Step 4: Simplify right side
    12,078,692.80x = 81,535,030,621,474.56
  5. Step 5: Solve for x
    x = 81,535,030,621,474.56/12,078,692.80
  6. Step 6: Final answer
    x = 6,750,319.09

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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.