Home / 9,815,122.86-13,544,561.85-5,685,234.66

Finding the Fourth Proportional to 9,815,122.86, 13,544,561.85 and 5,685,234.66

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Solution

The fourth proportional to 9,815,122.86, 13,544,561.85 and 5,685,234.66 is: 7,845,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815,122.86 : 13,544,561.85 = 5,685,234.66 : x
  2. Step 2: Convert to fraction form
    9,815,122.86/13,544,561.85 = 5,685,234.66/x
  3. Step 3: Cross multiply
    9,815,122.86x = 13,544,561.85 × 5,685,234.66
  4. Step 4: Simplify right side
    9,815,122.86x = 77,004,012,484,133.72
  5. Step 5: Solve for x
    x = 77,004,012,484,133.72/9,815,122.86
  6. Step 6: Final answer
    x = 7,845,445.60

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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.