Home / 7,130,510.80-10,695,766.20-2,868,485.20

Finding the Fourth Proportional to 7,130,510.80, 10,695,766.20 and 2,868,485.20

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Solution

The fourth proportional to 7,130,510.80, 10,695,766.20 and 2,868,485.20 is: 4,302,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,510.80 : 10,695,766.20 = 2,868,485.20 : x
  2. Step 2: Convert to fraction form
    7,130,510.80/10,695,766.20 = 2,868,485.20/x
  3. Step 3: Cross multiply
    7,130,510.80x = 10,695,766.20 × 2,868,485.20
  4. Step 4: Simplify right side
    7,130,510.80x = 30,680,647,047,360.24
  5. Step 5: Solve for x
    x = 30,680,647,047,360.24/7,130,510.80
  6. Step 6: Final answer
    x = 4,302,727.80

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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.