Home / 8,355,057.66-12,511,316.70-5,506,533.90

Finding the Fourth Proportional to 8,355,057.66, 12,511,316.70 and 5,506,533.90

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Solution

The fourth proportional to 8,355,057.66, 12,511,316.70 and 5,506,533.90 is: 8,245,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355,057.66 : 12,511,316.70 = 5,506,533.90 : x
  2. Step 2: Convert to fraction form
    8,355,057.66/12,511,316.70 = 5,506,533.90/x
  3. Step 3: Cross multiply
    8,355,057.66x = 12,511,316.70 × 5,506,533.90
  4. Step 4: Simplify right side
    8,355,057.66x = 68,893,989,542,186.13
  5. Step 5: Solve for x
    x = 68,893,989,542,186.13/8,355,057.66
  6. Step 6: Final answer
    x = 8,245,782.66

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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.