Home / 13,608,734.10-20,413,101.15-12,705,284.40

Finding the Fourth Proportional to 13,608,734.10, 20,413,101.15 and 12,705,284.40

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Solution

The fourth proportional to 13,608,734.10, 20,413,101.15 and 12,705,284.40 is: 19,057,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,734.10 : 20,413,101.15 = 12,705,284.40 : x
  2. Step 2: Convert to fraction form
    13,608,734.10/20,413,101.15 = 12,705,284.40/x
  3. Step 3: Cross multiply
    13,608,734.10x = 20,413,101.15 × 12,705,284.40
  4. Step 4: Simplify right side
    13,608,734.10x = 259,354,255,596,717.06
  5. Step 5: Solve for x
    x = 259,354,255,596,717.06/13,608,734.10
  6. Step 6: Final answer
    x = 19,057,926.60

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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.