Home / 12,265,153.80-18,397,730.70-4,187,250.60

Finding the Fourth Proportional to 12,265,153.80, 18,397,730.70 and 4,187,250.60

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Solution

The fourth proportional to 12,265,153.80, 18,397,730.70 and 4,187,250.60 is: 6,280,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,153.80 : 18,397,730.70 = 4,187,250.60 : x
  2. Step 2: Convert to fraction form
    12,265,153.80/18,397,730.70 = 4,187,250.60/x
  3. Step 3: Cross multiply
    12,265,153.80x = 18,397,730.70 × 4,187,250.60
  4. Step 4: Simplify right side
    12,265,153.80x = 77,035,908,912,213.42
  5. Step 5: Solve for x
    x = 77,035,908,912,213.42/12,265,153.80
  6. Step 6: Final answer
    x = 6,280,875.90

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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.