Home / 38,847,614.43-53,610,976.77-21,207,457.58

Finding the Fourth Proportional to 38,847,614.43, 53,610,976.77 and 21,207,457.58

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Solution

The fourth proportional to 38,847,614.43, 53,610,976.77 and 21,207,457.58 is: 29,266,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847,614.43 : 53,610,976.77 = 21,207,457.58 : x
  2. Step 2: Convert to fraction form
    38,847,614.43/53,610,976.77 = 21,207,457.58/x
  3. Step 3: Cross multiply
    38,847,614.43x = 53,610,976.77 × 21,207,457.58
  4. Step 4: Simplify right side
    38,847,614.43x = 1,136,952,515,404,085.50
  5. Step 5: Solve for x
    x = 1,136,952,515,404,085.50/38,847,614.43
  6. Step 6: Final answer
    x = 29,266,984.14

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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.