Home / 12,963,917.43-17,890,567.02-7,163,073.09

Finding the Fourth Proportional to 12,963,917.43, 17,890,567.02 and 7,163,073.09

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Solution

The fourth proportional to 12,963,917.43, 17,890,567.02 and 7,163,073.09 is: 9,885,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,917.43 : 17,890,567.02 = 7,163,073.09 : x
  2. Step 2: Convert to fraction form
    12,963,917.43/17,890,567.02 = 7,163,073.09/x
  3. Step 3: Cross multiply
    12,963,917.43x = 17,890,567.02 × 7,163,073.09
  4. Step 4: Simplify right side
    12,963,917.43x = 128,151,439,185,803.48
  5. Step 5: Solve for x
    x = 128,151,439,185,803.48/12,963,917.43
  6. Step 6: Final answer
    x = 9,885,240.31

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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.