Home / 7,730,999.80-11,596,499.70-7,290,100.60

Finding the Fourth Proportional to 7,730,999.80, 11,596,499.70 and 7,290,100.60

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Solution

The fourth proportional to 7,730,999.80, 11,596,499.70 and 7,290,100.60 is: 10,935,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730,999.80 : 11,596,499.70 = 7,290,100.60 : x
  2. Step 2: Convert to fraction form
    7,730,999.80/11,596,499.70 = 7,290,100.60/x
  3. Step 3: Cross multiply
    7,730,999.80x = 11,596,499.70 × 7,290,100.60
  4. Step 4: Simplify right side
    7,730,999.80x = 84,539,649,420,869.81
  5. Step 5: Solve for x
    x = 84,539,649,420,869.81/7,730,999.80
  6. Step 6: Final answer
    x = 10,935,150.90

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Double scale
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Similar ratio
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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.