Home / 38,671,999.60-57,941,644.20-18,433,663.60

Finding the Fourth Proportional to 38,671,999.60, 57,941,644.20 and 18,433,663.60

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Solution

The fourth proportional to 38,671,999.60, 57,941,644.20 and 18,433,663.60 is: 27,618,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671,999.60 : 57,941,644.20 = 18,433,663.60 : x
  2. Step 2: Convert to fraction form
    38,671,999.60/57,941,644.20 = 18,433,663.60/x
  3. Step 3: Cross multiply
    38,671,999.60x = 57,941,644.20 × 18,433,663.60
  4. Step 4: Simplify right side
    38,671,999.60x = 1,068,076,777,613,691.25
  5. Step 5: Solve for x
    x = 1,068,076,777,613,691.25/38,671,999.60
  6. Step 6: Final answer
    x = 27,618,866.07

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1.5x scale

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.