Home / 20,361,612.61-30,501,525.50-9,416,460.65

Finding the Fourth Proportional to 20,361,612.61, 30,501,525.50 and 9,416,460.65

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Solution

The fourth proportional to 20,361,612.61, 30,501,525.50 and 9,416,460.65 is: 14,105,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,612.61 : 30,501,525.50 = 9,416,460.65 : x
  2. Step 2: Convert to fraction form
    20,361,612.61/30,501,525.50 = 9,416,460.65/x
  3. Step 3: Cross multiply
    20,361,612.61x = 30,501,525.50 × 9,416,460.65
  4. Step 4: Simplify right side
    20,361,612.61x = 287,216,414,588,639.31
  5. Step 5: Solve for x
    x = 287,216,414,588,639.31/20,361,612.61
  6. Step 6: Final answer
    x = 14,105,779.35

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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.