Home / 12,157,795.20-18,236,692.80-12,073,814.40

Finding the Fourth Proportional to 12,157,795.20, 18,236,692.80 and 12,073,814.40

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Solution

The fourth proportional to 12,157,795.20, 18,236,692.80 and 12,073,814.40 is: 18,110,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,795.20 : 18,236,692.80 = 12,073,814.40 : x
  2. Step 2: Convert to fraction form
    12,157,795.20/18,236,692.80 = 12,073,814.40/x
  3. Step 3: Cross multiply
    12,157,795.20x = 18,236,692.80 × 12,073,814.40
  4. Step 4: Simplify right side
    12,157,795.20x = 220,186,444,137,016.34
  5. Step 5: Solve for x
    x = 220,186,444,137,016.34/12,157,795.20
  6. Step 6: Final answer
    x = 18,110,721.60

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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.