Home / 19,541,968.90-29,298,781.59-13,136,333.38

Finding the Fourth Proportional to 19,541,968.90, 29,298,781.59 and 13,136,333.38

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Solution

The fourth proportional to 19,541,968.90, 29,298,781.59 and 13,136,333.38 is: 19,694,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541,968.90 : 29,298,781.59 = 13,136,333.38 : x
  2. Step 2: Convert to fraction form
    19,541,968.90/29,298,781.59 = 13,136,333.38/x
  3. Step 3: Cross multiply
    19,541,968.90x = 29,298,781.59 × 13,136,333.38
  4. Step 4: Simplify right side
    19,541,968.90x = 384,878,562,594,046.50
  5. Step 5: Solve for x
    x = 384,878,562,594,046.50/19,541,968.90
  6. Step 6: Final answer
    x = 19,694,973.65

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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.