Home / 6,551,999.80-9,827,999.70-4,166,420.20

Finding the Fourth Proportional to 6,551,999.80, 9,827,999.70 and 4,166,420.20

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Solution

The fourth proportional to 6,551,999.80, 9,827,999.70 and 4,166,420.20 is: 6,249,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,999.80 : 9,827,999.70 = 4,166,420.20 : x
  2. Step 2: Convert to fraction form
    6,551,999.80/9,827,999.70 = 4,166,420.20/x
  3. Step 3: Cross multiply
    6,551,999.80x = 9,827,999.70 × 4,166,420.20
  4. Step 4: Simplify right side
    6,551,999.80x = 40,947,576,475,673.94
  5. Step 5: Solve for x
    x = 40,947,576,475,673.94/6,551,999.80
  6. Step 6: Final answer
    x = 6,249,630.30

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Double scale
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Similar ratio
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1.5x scale

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.