Home / 28,263,701.40-42,401,081.70-12,089,621.40

Finding the Fourth Proportional to 28,263,701.40, 42,401,081.70 and 12,089,621.40

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Solution

The fourth proportional to 28,263,701.40, 42,401,081.70 and 12,089,621.40 is: 18,136,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,701.40 : 42,401,081.70 = 12,089,621.40 : x
  2. Step 2: Convert to fraction form
    28,263,701.40/42,401,081.70 = 12,089,621.40/x
  3. Step 3: Cross multiply
    28,263,701.40x = 42,401,081.70 × 12,089,621.40
  4. Step 4: Simplify right side
    28,263,701.40x = 512,613,024,703,468.44
  5. Step 5: Solve for x
    x = 512,613,024,703,468.44/28,263,701.40
  6. Step 6: Final answer
    x = 18,136,797.35

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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.