Home / 18,788,299.20-25,927,414.20-11,053,840.32

Finding the Fourth Proportional to 18,788,299.20, 25,927,414.20 and 11,053,840.32

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Solution

The fourth proportional to 18,788,299.20, 25,927,414.20 and 11,053,840.32 is: 15,254,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788,299.20 : 25,927,414.20 = 11,053,840.32 : x
  2. Step 2: Convert to fraction form
    18,788,299.20/25,927,414.20 = 11,053,840.32/x
  3. Step 3: Cross multiply
    18,788,299.20x = 25,927,414.20 × 11,053,840.32
  4. Step 4: Simplify right side
    18,788,299.20x = 286,597,496,477,300.56
  5. Step 5: Solve for x
    x = 286,597,496,477,300.56/18,788,299.20
  6. Step 6: Final answer
    x = 15,254,041.54

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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.