Home / 10,875,313.60-16,312,912.80-2,788,273.60

Finding the Fourth Proportional to 10,875,313.60, 16,312,912.80 and 2,788,273.60

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Solution

The fourth proportional to 10,875,313.60, 16,312,912.80 and 2,788,273.60 is: 4,182,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,313.60 : 16,312,912.80 = 2,788,273.60 : x
  2. Step 2: Convert to fraction form
    10,875,313.60/16,312,912.80 = 2,788,273.60/x
  3. Step 3: Cross multiply
    10,875,313.60x = 16,312,912.80 × 2,788,273.60
  4. Step 4: Simplify right side
    10,875,313.60x = 45,484,864,099,342.09
  5. Step 5: Solve for x
    x = 45,484,864,099,342.09/10,875,313.60
  6. Step 6: Final answer
    x = 4,182,395.63

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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.