Home / 10,778,728.80-16,168,093.20-6,527,200.80

Finding the Fourth Proportional to 10,778,728.80, 16,168,093.20 and 6,527,200.80

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Solution

The fourth proportional to 10,778,728.80, 16,168,093.20 and 6,527,200.80 is: 9,790,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,728.80 : 16,168,093.20 = 6,527,200.80 : x
  2. Step 2: Convert to fraction form
    10,778,728.80/16,168,093.20 = 6,527,200.80/x
  3. Step 3: Cross multiply
    10,778,728.80x = 16,168,093.20 × 6,527,200.80
  4. Step 4: Simplify right side
    10,778,728.80x = 105,532,390,869,514.55
  5. Step 5: Solve for x
    x = 105,532,390,869,514.55/10,778,728.80
  6. Step 6: Final answer
    x = 9,790,801.20

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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.