Home / 6,643,962.40-9,959,722.80-5,203,847.20

Finding the Fourth Proportional to 6,643,962.40, 9,959,722.80 and 5,203,847.20

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Solution

The fourth proportional to 6,643,962.40, 9,959,722.80 and 5,203,847.20 is: 7,800,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,962.40 : 9,959,722.80 = 5,203,847.20 : x
  2. Step 2: Convert to fraction form
    6,643,962.40/9,959,722.80 = 5,203,847.20/x
  3. Step 3: Cross multiply
    6,643,962.40x = 9,959,722.80 × 5,203,847.20
  4. Step 4: Simplify right side
    6,643,962.40x = 51,828,875,605,556.16
  5. Step 5: Solve for x
    x = 51,828,875,605,556.16/6,643,962.40
  6. Step 6: Final answer
    x = 7,800,898.39

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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.