Home / 7,290,688.80-10,936,033.20-6,870,784.80

Finding the Fourth Proportional to 7,290,688.80, 10,936,033.20 and 6,870,784.80

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Solution

The fourth proportional to 7,290,688.80, 10,936,033.20 and 6,870,784.80 is: 10,306,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,688.80 : 10,936,033.20 = 6,870,784.80 : x
  2. Step 2: Convert to fraction form
    7,290,688.80/10,936,033.20 = 6,870,784.80/x
  3. Step 3: Cross multiply
    7,290,688.80x = 10,936,033.20 × 6,870,784.80
  4. Step 4: Simplify right side
    7,290,688.80x = 75,139,130,682,855.36
  5. Step 5: Solve for x
    x = 75,139,130,682,855.36/7,290,688.80
  6. Step 6: Final answer
    x = 10,306,177.20

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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.