Home / 13,460,678.79-20,196,106.85-5,269,175.27

Finding the Fourth Proportional to 13,460,678.79, 20,196,106.85 and 5,269,175.27

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Solution

The fourth proportional to 13,460,678.79, 20,196,106.85 and 5,269,175.27 is: 7,905,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,678.79 : 20,196,106.85 = 5,269,175.27 : x
  2. Step 2: Convert to fraction form
    13,460,678.79/20,196,106.85 = 5,269,175.27/x
  3. Step 3: Cross multiply
    13,460,678.79x = 20,196,106.85 × 5,269,175.27
  4. Step 4: Simplify right side
    13,460,678.79x = 106,416,826,636,971.17
  5. Step 5: Solve for x
    x = 106,416,826,636,971.17/13,460,678.79
  6. Step 6: Final answer
    x = 7,905,754.85

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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.