Home / 15,759,511.56-21,751,507.40-9,954,601.20

Finding the Fourth Proportional to 15,759,511.56, 21,751,507.40 and 9,954,601.20

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Solution

The fourth proportional to 15,759,511.56, 21,751,507.40 and 9,954,601.20 is: 13,739,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759,511.56 : 21,751,507.40 = 9,954,601.20 : x
  2. Step 2: Convert to fraction form
    15,759,511.56/21,751,507.40 = 9,954,601.20/x
  3. Step 3: Cross multiply
    15,759,511.56x = 21,751,507.40 × 9,954,601.20
  4. Step 4: Simplify right side
    15,759,511.56x = 216,527,581,616,075.84
  5. Step 5: Solve for x
    x = 216,527,581,616,075.84/15,759,511.56
  6. Step 6: Final answer
    x = 13,739,485.57

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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.