Home / 8,230,030.49-12,364,019.18-7,889,914.01

Finding the Fourth Proportional to 8,230,030.49, 12,364,019.18 and 7,889,914.01

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Solution

The fourth proportional to 8,230,030.49, 12,364,019.18 and 7,889,914.01 is: 11,853,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,030.49 : 12,364,019.18 = 7,889,914.01 : x
  2. Step 2: Convert to fraction form
    8,230,030.49/12,364,019.18 = 7,889,914.01/x
  3. Step 3: Cross multiply
    8,230,030.49x = 12,364,019.18 × 7,889,914.01
  4. Step 4: Simplify right side
    8,230,030.49x = 97,551,048,148,190.70
  5. Step 5: Solve for x
    x = 97,551,048,148,190.70/8,230,030.49
  6. Step 6: Final answer
    x = 11,853,060.36

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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.