Home / 13,886,896.64-20,831,342.77-4,788,863.34

Finding the Fourth Proportional to 13,886,896.64, 20,831,342.77 and 4,788,863.34

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Solution

The fourth proportional to 13,886,896.64, 20,831,342.77 and 4,788,863.34 is: 7,183,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,896.64 : 20,831,342.77 = 4,788,863.34 : x
  2. Step 2: Convert to fraction form
    13,886,896.64/20,831,342.77 = 4,788,863.34/x
  3. Step 3: Cross multiply
    13,886,896.64x = 20,831,342.77 × 4,788,863.34
  4. Step 4: Simplify right side
    13,886,896.64x = 99,758,453,642,095.58
  5. Step 5: Solve for x
    x = 99,758,453,642,095.58/13,886,896.64
  6. Step 6: Final answer
    x = 7,183,639.10

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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.