Home / 12,923,562.36-17,834,516.15-7,122,344.19

Finding the Fourth Proportional to 12,923,562.36, 17,834,516.15 and 7,122,344.19

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Solution

The fourth proportional to 12,923,562.36, 17,834,516.15 and 7,122,344.19 is: 9,828,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,562.36 : 17,834,516.15 = 7,122,344.19 : x
  2. Step 2: Convert to fraction form
    12,923,562.36/17,834,516.15 = 7,122,344.19/x
  3. Step 3: Cross multiply
    12,923,562.36x = 17,834,516.15 × 7,122,344.19
  4. Step 4: Simplify right side
    12,923,562.36x = 127,023,562,482,413.67
  5. Step 5: Solve for x
    x = 127,023,562,482,413.67/12,923,562.36
  6. Step 6: Final answer
    x = 9,828,835.03

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Double scale
Find fourth proportional to 12,923,563.36, 17,834,517.53 and 7,122,345.19
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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.