Home / 38,716,795.23-53,429,861.21-21,076,207.80

Finding the Fourth Proportional to 38,716,795.23, 53,429,861.21 and 21,076,207.80

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Solution

The fourth proportional to 38,716,795.23, 53,429,861.21 and 21,076,207.80 is: 29,085,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,716,795.23 : 53,429,861.21 = 21,076,207.80 : x
  2. Step 2: Convert to fraction form
    38,716,795.23/53,429,861.21 = 21,076,207.80/x
  3. Step 3: Cross multiply
    38,716,795.23x = 53,429,861.21 × 21,076,207.80
  4. Step 4: Simplify right side
    38,716,795.23x = 1,126,098,857,587,119.50
  5. Step 5: Solve for x
    x = 1,126,098,857,587,119.50/38,716,795.23
  6. Step 6: Final answer
    x = 29,085,539.00

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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.