Home / 12,554,745.04-17,323,485.05-7,397,405.38

Finding the Fourth Proportional to 12,554,745.04, 17,323,485.05 and 7,397,405.38

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Solution

The fourth proportional to 12,554,745.04, 17,323,485.05 and 7,397,405.38 is: 10,207,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554,745.04 : 17,323,485.05 = 7,397,405.38 : x
  2. Step 2: Convert to fraction form
    12,554,745.04/17,323,485.05 = 7,397,405.38/x
  3. Step 3: Cross multiply
    12,554,745.04x = 17,323,485.05 × 7,397,405.38
  4. Step 4: Simplify right side
    12,554,745.04x = 128,148,841,509,219.58
  5. Step 5: Solve for x
    x = 128,148,841,509,219.58/12,554,745.04
  6. Step 6: Final answer
    x = 10,207,203.82

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1.5x scale

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.