Home / 13,668,788.10-20,506,134.60-4,085,135.40

Finding the Fourth Proportional to 13,668,788.10, 20,506,134.60 and 4,085,135.40

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Solution

The fourth proportional to 13,668,788.10, 20,506,134.60 and 4,085,135.40 is: 6,128,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668,788.10 : 20,506,134.60 = 4,085,135.40 : x
  2. Step 2: Convert to fraction form
    13,668,788.10/20,506,134.60 = 4,085,135.40/x
  3. Step 3: Cross multiply
    13,668,788.10x = 20,506,134.60 × 4,085,135.40
  4. Step 4: Simplify right side
    13,668,788.10x = 83,770,336,371,624.84
  5. Step 5: Solve for x
    x = 83,770,336,371,624.84/13,668,788.10
  6. Step 6: Final answer
    x = 6,128,585.49

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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.