Home / 15,430,409.22-23,129,411.58-5,191,714.65

Finding the Fourth Proportional to 15,430,409.22, 23,129,411.58 and 5,191,714.65

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Solution

The fourth proportional to 15,430,409.22, 23,129,411.58 and 5,191,714.65 is: 7,782,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430,409.22 : 23,129,411.58 = 5,191,714.65 : x
  2. Step 2: Convert to fraction form
    15,430,409.22/23,129,411.58 = 5,191,714.65/x
  3. Step 3: Cross multiply
    15,430,409.22x = 23,129,411.58 × 5,191,714.65
  4. Step 4: Simplify right side
    15,430,409.22x = 120,081,304,945,765.64
  5. Step 5: Solve for x
    x = 120,081,304,945,765.64/15,430,409.22
  6. Step 6: Final answer
    x = 7,782,120.57

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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.