Home / 8,075,881.65-12,109,280.40-2,681,645.34

Finding the Fourth Proportional to 8,075,881.65, 12,109,280.40 and 2,681,645.34

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Solution

The fourth proportional to 8,075,881.65, 12,109,280.40 and 2,681,645.34 is: 4,020,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,881.65 : 12,109,280.40 = 2,681,645.34 : x
  2. Step 2: Convert to fraction form
    8,075,881.65/12,109,280.40 = 2,681,645.34/x
  3. Step 3: Cross multiply
    8,075,881.65x = 12,109,280.40 × 2,681,645.34
  4. Step 4: Simplify right side
    8,075,881.65x = 32,472,795,355,413.34
  5. Step 5: Solve for x
    x = 32,472,795,355,413.34/8,075,881.65
  6. Step 6: Final answer
    x = 4,020,959.79

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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.