Home / 6,911,999.80-10,367,999.70-3,125,606.20

Finding the Fourth Proportional to 6,911,999.80, 10,367,999.70 and 3,125,606.20

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Solution

The fourth proportional to 6,911,999.80, 10,367,999.70 and 3,125,606.20 is: 4,688,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,999.80 : 10,367,999.70 = 3,125,606.20 : x
  2. Step 2: Convert to fraction form
    6,911,999.80/10,367,999.70 = 3,125,606.20/x
  3. Step 3: Cross multiply
    6,911,999.80x = 10,367,999.70 × 3,125,606.20
  4. Step 4: Simplify right side
    6,911,999.80x = 32,406,284,143,918.14
  5. Step 5: Solve for x
    x = 32,406,284,143,918.14/6,911,999.80
  6. Step 6: Final answer
    x = 4,688,409.30

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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.