Home / 28,746,586.40-43,119,879.60-13,630,042.40

Finding the Fourth Proportional to 28,746,586.40, 43,119,879.60 and 13,630,042.40

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Solution

The fourth proportional to 28,746,586.40, 43,119,879.60 and 13,630,042.40 is: 20,445,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746,586.40 : 43,119,879.60 = 13,630,042.40 : x
  2. Step 2: Convert to fraction form
    28,746,586.40/43,119,879.60 = 13,630,042.40/x
  3. Step 3: Cross multiply
    28,746,586.40x = 43,119,879.60 × 13,630,042.40
  4. Step 4: Simplify right side
    28,746,586.40x = 587,725,787,230,895.12
  5. Step 5: Solve for x
    x = 587,725,787,230,895.12/28,746,586.40
  6. Step 6: Final answer
    x = 20,445,063.60

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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.