Home / 38,670,457-53,364,164.90-21,266,801.80

Finding the Fourth Proportional to 38,670,457, 53,364,164.90 and 21,266,801.80

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Solution

The fourth proportional to 38,670,457, 53,364,164.90 and 21,266,801.80 is: 29,347,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670,457 : 53,364,164.90 = 21,266,801.80 : x
  2. Step 2: Convert to fraction form
    38,670,457/53,364,164.90 = 21,266,801.80/x
  3. Step 3: Cross multiply
    38,670,457x = 53,364,164.90 × 21,266,801.80
  4. Step 4: Simplify right side
    38,670,457x = 1,134,885,118,150,816.75
  5. Step 5: Solve for x
    x = 1,134,885,118,150,816.75/38,670,457
  6. Step 6: Final answer
    x = 29,347,600.37

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Double scale
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1.5x scale

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.