Home / 11,168,101.60-16,752,152.40-4,778,999.80

Finding the Fourth Proportional to 11,168,101.60, 16,752,152.40 and 4,778,999.80

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Solution

The fourth proportional to 11,168,101.60, 16,752,152.40 and 4,778,999.80 is: 7,168,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168,101.60 : 16,752,152.40 = 4,778,999.80 : x
  2. Step 2: Convert to fraction form
    11,168,101.60/16,752,152.40 = 4,778,999.80/x
  3. Step 3: Cross multiply
    11,168,101.60x = 16,752,152.40 × 4,778,999.80
  4. Step 4: Simplify right side
    11,168,101.60x = 80,058,532,969,169.52
  5. Step 5: Solve for x
    x = 80,058,532,969,169.52/11,168,101.60
  6. Step 6: Final answer
    x = 7,168,499.70

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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.