Home / 8,194,639.80-12,303,018.90-5,208,655.80

Finding the Fourth Proportional to 8,194,639.80, 12,303,018.90 and 5,208,655.80

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Solution

The fourth proportional to 8,194,639.80, 12,303,018.90 and 5,208,655.80 is: 7,820,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,639.80 : 12,303,018.90 = 5,208,655.80 : x
  2. Step 2: Convert to fraction form
    8,194,639.80/12,303,018.90 = 5,208,655.80/x
  3. Step 3: Cross multiply
    8,194,639.80x = 12,303,018.90 × 5,208,655.80
  4. Step 4: Simplify right side
    8,194,639.80x = 64,082,190,750,994.62
  5. Step 5: Solve for x
    x = 64,082,190,750,994.62/8,194,639.80
  6. Step 6: Final answer
    x = 7,820,013.12

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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.