Home / 9,021,796.81-13,530,600.75-5,379,543.72

Finding the Fourth Proportional to 9,021,796.81, 13,530,600.75 and 5,379,543.72

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Solution

The fourth proportional to 9,021,796.81, 13,530,600.75 and 5,379,543.72 is: 8,068,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,796.81 : 13,530,600.75 = 5,379,543.72 : x
  2. Step 2: Convert to fraction form
    9,021,796.81/13,530,600.75 = 5,379,543.72/x
  3. Step 3: Cross multiply
    9,021,796.81x = 13,530,600.75 × 5,379,543.72
  4. Step 4: Simplify right side
    9,021,796.81x = 72,788,458,312,663.08
  5. Step 5: Solve for x
    x = 72,788,458,312,663.08/9,021,796.81
  6. Step 6: Final answer
    x = 8,068,066.69

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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.