Home / 19,293,665.31-28,918,483.74-7,771,759.94

Finding the Fourth Proportional to 19,293,665.31, 28,918,483.74 and 7,771,759.94

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Solution

The fourth proportional to 19,293,665.31, 28,918,483.74 and 7,771,759.94 is: 11,648,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293,665.31 : 28,918,483.74 = 7,771,759.94 : x
  2. Step 2: Convert to fraction form
    19,293,665.31/28,918,483.74 = 7,771,759.94/x
  3. Step 3: Cross multiply
    19,293,665.31x = 28,918,483.74 × 7,771,759.94
  4. Step 4: Simplify right side
    19,293,665.31x = 224,747,513,347,629.06
  5. Step 5: Solve for x
    x = 224,747,513,347,629.06/19,293,665.31
  6. Step 6: Final answer
    x = 11,648,772.27

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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.