Home / 13,759,811.36-18,988,551.83-7,564,963.47

Finding the Fourth Proportional to 13,759,811.36, 18,988,551.83 and 7,564,963.47

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Solution

The fourth proportional to 13,759,811.36, 18,988,551.83 and 7,564,963.47 is: 10,439,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,811.36 : 18,988,551.83 = 7,564,963.47 : x
  2. Step 2: Convert to fraction form
    13,759,811.36/18,988,551.83 = 7,564,963.47/x
  3. Step 3: Cross multiply
    13,759,811.36x = 18,988,551.83 × 7,564,963.47
  4. Step 4: Simplify right side
    13,759,811.36x = 143,647,700,961,064.06
  5. Step 5: Solve for x
    x = 143,647,700,961,064.06/13,759,811.36
  6. Step 6: Final answer
    x = 10,439,656.27

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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.