Home / 13,851,530.39-19,115,116.06-7,572,085.01

Finding the Fourth Proportional to 13,851,530.39, 19,115,116.06 and 7,572,085.01

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Solution

The fourth proportional to 13,851,530.39, 19,115,116.06 and 7,572,085.01 is: 10,449,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,530.39 : 19,115,116.06 = 7,572,085.01 : x
  2. Step 2: Convert to fraction form
    13,851,530.39/19,115,116.06 = 7,572,085.01/x
  3. Step 3: Cross multiply
    13,851,530.39x = 19,115,116.06 × 7,572,085.01
  4. Step 4: Simplify right side
    13,851,530.39x = 144,741,283,686,760.66
  5. Step 5: Solve for x
    x = 144,741,283,686,760.66/13,851,530.39
  6. Step 6: Final answer
    x = 10,449,479.56

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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.