Home / 7,297,814.80-10,946,722.20-6,999,216.40

Finding the Fourth Proportional to 7,297,814.80, 10,946,722.20 and 6,999,216.40

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Solution

The fourth proportional to 7,297,814.80, 10,946,722.20 and 6,999,216.40 is: 10,498,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297,814.80 : 10,946,722.20 = 6,999,216.40 : x
  2. Step 2: Convert to fraction form
    7,297,814.80/10,946,722.20 = 6,999,216.40/x
  3. Step 3: Cross multiply
    7,297,814.80x = 10,946,722.20 × 6,999,216.40
  4. Step 4: Simplify right side
    7,297,814.80x = 76,618,477,548,484.08
  5. Step 5: Solve for x
    x = 76,618,477,548,484.08/7,297,814.80
  6. Step 6: Final answer
    x = 10,498,824.60

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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.