Home / 12,989,268.54-17,925,483.06-8,413,554.24

Finding the Fourth Proportional to 12,989,268.54, 17,925,483.06 and 8,413,554.24

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Solution

The fourth proportional to 12,989,268.54, 17,925,483.06 and 8,413,554.24 is: 11,610,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989,268.54 : 17,925,483.06 = 8,413,554.24 : x
  2. Step 2: Convert to fraction form
    12,989,268.54/17,925,483.06 = 8,413,554.24/x
  3. Step 3: Cross multiply
    12,989,268.54x = 17,925,483.06 × 8,413,554.24
  4. Step 4: Simplify right side
    12,989,268.54x = 150,817,024,003,511.16
  5. Step 5: Solve for x
    x = 150,817,024,003,511.16/12,989,268.54
  6. Step 6: Final answer
    x = 11,610,894.30

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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.