Home / 6,477,079.80-9,715,619.70-6,290,455.80

Finding the Fourth Proportional to 6,477,079.80, 9,715,619.70 and 6,290,455.80

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Solution

The fourth proportional to 6,477,079.80, 9,715,619.70 and 6,290,455.80 is: 9,435,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,079.80 : 9,715,619.70 = 6,290,455.80 : x
  2. Step 2: Convert to fraction form
    6,477,079.80/9,715,619.70 = 6,290,455.80/x
  3. Step 3: Cross multiply
    6,477,079.80x = 9,715,619.70 × 6,290,455.80
  4. Step 4: Simplify right side
    6,477,079.80x = 61,115,676,292,459.25
  5. Step 5: Solve for x
    x = 61,115,676,292,459.25/6,477,079.80
  6. Step 6: Final answer
    x = 9,435,683.70

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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.