Home / 6,222,779.70-9,334,169.55-5,561,430.90

Finding the Fourth Proportional to 6,222,779.70, 9,334,169.55 and 5,561,430.90

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Solution

The fourth proportional to 6,222,779.70, 9,334,169.55 and 5,561,430.90 is: 8,342,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222,779.70 : 9,334,169.55 = 5,561,430.90 : x
  2. Step 2: Convert to fraction form
    6,222,779.70/9,334,169.55 = 5,561,430.90/x
  3. Step 3: Cross multiply
    6,222,779.70x = 9,334,169.55 × 5,561,430.90
  4. Step 4: Simplify right side
    6,222,779.70x = 51,911,338,961,209.10
  5. Step 5: Solve for x
    x = 51,911,338,961,209.10/6,222,779.70
  6. Step 6: Final answer
    x = 8,342,146.35

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Double scale
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Similar ratio
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1.5x scale

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.