Home / 14,166,976.72-19,547,986.44-7,971,163.60

Finding the Fourth Proportional to 14,166,976.72, 19,547,986.44 and 7,971,163.60

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Solution

The fourth proportional to 14,166,976.72, 19,547,986.44 and 7,971,163.60 is: 10,998,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166,976.72 : 19,547,986.44 = 7,971,163.60 : x
  2. Step 2: Convert to fraction form
    14,166,976.72/19,547,986.44 = 7,971,163.60/x
  3. Step 3: Cross multiply
    14,166,976.72x = 19,547,986.44 × 7,971,163.60
  4. Step 4: Simplify right side
    14,166,976.72x = 155,820,197,963,821.59
  5. Step 5: Solve for x
    x = 155,820,197,963,821.59/14,166,976.72
  6. Step 6: Final answer
    x = 10,998,832.08

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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.