Home / 12,528,043.20-18,792,064.80-4,008,657.60

Finding the Fourth Proportional to 12,528,043.20, 18,792,064.80 and 4,008,657.60

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Solution

The fourth proportional to 12,528,043.20, 18,792,064.80 and 4,008,657.60 is: 6,012,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,043.20 : 18,792,064.80 = 4,008,657.60 : x
  2. Step 2: Convert to fraction form
    12,528,043.20/18,792,064.80 = 4,008,657.60/x
  3. Step 3: Cross multiply
    12,528,043.20x = 18,792,064.80 × 4,008,657.60
  4. Step 4: Simplify right side
    12,528,043.20x = 75,330,953,380,212.48
  5. Step 5: Solve for x
    x = 75,330,953,380,212.48/12,528,043.20
  6. Step 6: Final answer
    x = 6,012,986.40

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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.