Home / 39,865,101.60-59,797,652.40-21,678,009.60

Finding the Fourth Proportional to 39,865,101.60, 59,797,652.40 and 21,678,009.60

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Solution

The fourth proportional to 39,865,101.60, 59,797,652.40 and 21,678,009.60 is: 32,517,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865,101.60 : 59,797,652.40 = 21,678,009.60 : x
  2. Step 2: Convert to fraction form
    39,865,101.60/59,797,652.40 = 21,678,009.60/x
  3. Step 3: Cross multiply
    39,865,101.60x = 59,797,652.40 × 21,678,009.60
  4. Step 4: Simplify right side
    39,865,101.60x = 1,296,294,082,784,663
  5. Step 5: Solve for x
    x = 1,296,294,082,784,663/39,865,101.60
  6. Step 6: Final answer
    x = 32,517,014.40

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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.