Home / 39,090,890.08-53,951,903.44-21,692,823.84

Finding the Fourth Proportional to 39,090,890.08, 53,951,903.44 and 21,692,823.84

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Solution

The fourth proportional to 39,090,890.08, 53,951,903.44 and 21,692,823.84 is: 29,939,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090,890.08 : 53,951,903.44 = 21,692,823.84 : x
  2. Step 2: Convert to fraction form
    39,090,890.08/53,951,903.44 = 21,692,823.84/x
  3. Step 3: Cross multiply
    39,090,890.08x = 53,951,903.44 × 21,692,823.84
  4. Step 4: Simplify right side
    39,090,890.08x = 1,170,369,137,156,610
  5. Step 5: Solve for x
    x = 1,170,369,137,156,610/39,090,890.08
  6. Step 6: Final answer
    x = 29,939,690.16

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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.