Home / 7,785,917.56-10,744,873.56-4,478,206.50

Finding the Fourth Proportional to 7,785,917.56, 10,744,873.56 and 4,478,206.50

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Solution

The fourth proportional to 7,785,917.56, 10,744,873.56 and 4,478,206.50 is: 6,180,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,917.56 : 10,744,873.56 = 4,478,206.50 : x
  2. Step 2: Convert to fraction form
    7,785,917.56/10,744,873.56 = 4,478,206.50/x
  3. Step 3: Cross multiply
    7,785,917.56x = 10,744,873.56 × 4,478,206.50
  4. Step 4: Simplify right side
    7,785,917.56x = 48,117,762,618,070.14
  5. Step 5: Solve for x
    x = 48,117,762,618,070.14/7,785,917.56
  6. Step 6: Final answer
    x = 6,180,101.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.