Home / 6,520,362.40-9,780,543.60-5,176,669.60

Finding the Fourth Proportional to 6,520,362.40, 9,780,543.60 and 5,176,669.60

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Solution

The fourth proportional to 6,520,362.40, 9,780,543.60 and 5,176,669.60 is: 7,765,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,362.40 : 9,780,543.60 = 5,176,669.60 : x
  2. Step 2: Convert to fraction form
    6,520,362.40/9,780,543.60 = 5,176,669.60/x
  3. Step 3: Cross multiply
    6,520,362.40x = 9,780,543.60 × 5,176,669.60
  4. Step 4: Simplify right side
    6,520,362.40x = 50,630,642,725,594.55
  5. Step 5: Solve for x
    x = 50,630,642,725,594.55/6,520,362.40
  6. Step 6: Final answer
    x = 7,765,004.40

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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.