Home / 13,921,457.86-19,211,322.85-7,726,144.91

Finding the Fourth Proportional to 13,921,457.86, 19,211,322.85 and 7,726,144.91

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Solution

The fourth proportional to 13,921,457.86, 19,211,322.85 and 7,726,144.91 is: 10,661,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,457.86 : 19,211,322.85 = 7,726,144.91 : x
  2. Step 2: Convert to fraction form
    13,921,457.86/19,211,322.85 = 7,726,144.91/x
  3. Step 3: Cross multiply
    13,921,457.86x = 19,211,322.85 × 7,726,144.91
  4. Step 4: Simplify right side
    13,921,457.86x = 148,429,464,251,894.22
  5. Step 5: Solve for x
    x = 148,429,464,251,894.22/13,921,457.86
  6. Step 6: Final answer
    x = 10,661,919.59

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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.