Home / 19,958,330.64-29,924,624.52-7,829,020.20

Finding the Fourth Proportional to 19,958,330.64, 29,924,624.52 and 7,829,020.20

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Solution

The fourth proportional to 19,958,330.64, 29,924,624.52 and 7,829,020.20 is: 11,738,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,330.64 : 29,924,624.52 = 7,829,020.20 : x
  2. Step 2: Convert to fraction form
    19,958,330.64/29,924,624.52 = 7,829,020.20/x
  3. Step 3: Cross multiply
    19,958,330.64x = 29,924,624.52 × 7,829,020.20
  4. Step 4: Simplify right side
    19,958,330.64x = 234,280,489,844,495.31
  5. Step 5: Solve for x
    x = 234,280,489,844,495.31/19,958,330.64
  6. Step 6: Final answer
    x = 11,738,481.24

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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.