Home / 8,199,059.10-12,290,715.45-6,376,413.30

Finding the Fourth Proportional to 8,199,059.10, 12,290,715.45 and 6,376,413.30

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Solution

The fourth proportional to 8,199,059.10, 12,290,715.45 and 6,376,413.30 is: 9,558,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,059.10 : 12,290,715.45 = 6,376,413.30 : x
  2. Step 2: Convert to fraction form
    8,199,059.10/12,290,715.45 = 6,376,413.30/x
  3. Step 3: Cross multiply
    8,199,059.10x = 12,290,715.45 × 6,376,413.30
  4. Step 4: Simplify right side
    8,199,059.10x = 78,370,681,461,895.48
  5. Step 5: Solve for x
    x = 78,370,681,461,895.48/8,199,059.10
  6. Step 6: Final answer
    x = 9,558,496.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.