Home / 9,405,543.66-12,979,759.20-5,219,314.50

Finding the Fourth Proportional to 9,405,543.66, 12,979,759.20 and 5,219,314.50

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Solution

The fourth proportional to 9,405,543.66, 12,979,759.20 and 5,219,314.50 is: 7,202,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405,543.66 : 12,979,759.20 = 5,219,314.50 : x
  2. Step 2: Convert to fraction form
    9,405,543.66/12,979,759.20 = 5,219,314.50/x
  3. Step 3: Cross multiply
    9,405,543.66x = 12,979,759.20 × 5,219,314.50
  4. Step 4: Simplify right side
    9,405,543.66x = 67,745,445,399,068.40
  5. Step 5: Solve for x
    x = 67,745,445,399,068.40/9,405,543.66
  6. Step 6: Final answer
    x = 7,202,714.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.