Home / 12,905,309.94-17,809,554.09-7,025,113.02

Finding the Fourth Proportional to 12,905,309.94, 17,809,554.09 and 7,025,113.02

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Solution

The fourth proportional to 12,905,309.94, 17,809,554.09 and 7,025,113.02 is: 9,694,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,309.94 : 17,809,554.09 = 7,025,113.02 : x
  2. Step 2: Convert to fraction form
    12,905,309.94/17,809,554.09 = 7,025,113.02/x
  3. Step 3: Cross multiply
    12,905,309.94x = 17,809,554.09 × 7,025,113.02
  4. Step 4: Simplify right side
    12,905,309.94x = 125,114,130,318,053.25
  5. Step 5: Solve for x
    x = 125,114,130,318,053.25/12,905,309.94
  6. Step 6: Final answer
    x = 9,694,779.20

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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.