Home / 14,285,371.41-19,713,955.77-7,759,128.51

Finding the Fourth Proportional to 14,285,371.41, 19,713,955.77 and 7,759,128.51

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Solution

The fourth proportional to 14,285,371.41, 19,713,955.77 and 7,759,128.51 is: 10,707,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285,371.41 : 19,713,955.77 = 7,759,128.51 : x
  2. Step 2: Convert to fraction form
    14,285,371.41/19,713,955.77 = 7,759,128.51/x
  3. Step 3: Cross multiply
    14,285,371.41x = 19,713,955.77 × 7,759,128.51
  4. Step 4: Simplify right side
    14,285,371.41x = 152,963,116,259,886
  5. Step 5: Solve for x
    x = 152,963,116,259,886/14,285,371.41
  6. Step 6: Final answer
    x = 10,707,675.14

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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.