Home / 14,420,217.40-19,899,898.52-7,893,851.28

Finding the Fourth Proportional to 14,420,217.40, 19,899,898.52 and 7,893,851.28

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Solution

The fourth proportional to 14,420,217.40, 19,899,898.52 and 7,893,851.28 is: 10,893,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420,217.40 : 19,899,898.52 = 7,893,851.28 : x
  2. Step 2: Convert to fraction form
    14,420,217.40/19,899,898.52 = 7,893,851.28/x
  3. Step 3: Cross multiply
    14,420,217.40x = 19,899,898.52 × 7,893,851.28
  4. Step 4: Simplify right side
    14,420,217.40x = 157,086,839,403,972.09
  5. Step 5: Solve for x
    x = 157,086,839,403,972.09/14,420,217.40
  6. Step 6: Final answer
    x = 10,893,513.95

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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.