Home / 10,355,493.33-15,533,231.78-2,782,459.08

Finding the Fourth Proportional to 10,355,493.33, 15,533,231.78 and 2,782,459.08

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Solution

The fourth proportional to 10,355,493.33, 15,533,231.78 and 2,782,459.08 is: 4,173,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,493.33 : 15,533,231.78 = 2,782,459.08 : x
  2. Step 2: Convert to fraction form
    10,355,493.33/15,533,231.78 = 2,782,459.08/x
  3. Step 3: Cross multiply
    10,355,493.33x = 15,533,231.78 × 2,782,459.08
  4. Step 4: Simplify right side
    10,355,493.33x = 43,220,581,808,005.56
  5. Step 5: Solve for x
    x = 43,220,581,808,005.56/10,355,493.33
  6. Step 6: Final answer
    x = 4,173,686.41

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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.