Home / 7,761,028.50-10,632,657.42-7,470,124.74

Finding the Fourth Proportional to 7,761,028.50, 10,632,657.42 and 7,470,124.74

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Solution

The fourth proportional to 7,761,028.50, 10,632,657.42 and 7,470,124.74 is: 10,234,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761,028.50 : 10,632,657.42 = 7,470,124.74 : x
  2. Step 2: Convert to fraction form
    7,761,028.50/10,632,657.42 = 7,470,124.74/x
  3. Step 3: Cross multiply
    7,761,028.50x = 10,632,657.42 × 7,470,124.74
  4. Step 4: Simplify right side
    7,761,028.50x = 79,427,277,245,086.58
  5. Step 5: Solve for x
    x = 79,427,277,245,086.58/7,761,028.50
  6. Step 6: Final answer
    x = 10,234,117.46

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Double scale
Find fourth proportional to 7,761,029.50, 10,632,658.79 and 7,470,125.74
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.