Home / 6,989,290.08-9,648,196.20-4,698,779.64

Finding the Fourth Proportional to 6,989,290.08, 9,648,196.20 and 4,698,779.64

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Solution

The fourth proportional to 6,989,290.08, 9,648,196.20 and 4,698,779.64 is: 6,486,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,290.08 : 9,648,196.20 = 4,698,779.64 : x
  2. Step 2: Convert to fraction form
    6,989,290.08/9,648,196.20 = 4,698,779.64/x
  3. Step 3: Cross multiply
    6,989,290.08x = 9,648,196.20 × 4,698,779.64
  4. Step 4: Simplify right side
    6,989,290.08x = 45,334,747,867,285.36
  5. Step 5: Solve for x
    x = 45,334,747,867,285.36/6,989,290.08
  6. Step 6: Final answer
    x = 6,486,316.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.