Home / 18,684,897.40-28,027,346.10-16,665,421.60

Finding the Fourth Proportional to 18,684,897.40, 28,027,346.10 and 16,665,421.60

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Solution

The fourth proportional to 18,684,897.40, 28,027,346.10 and 16,665,421.60 is: 24,998,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,897.40 : 28,027,346.10 = 16,665,421.60 : x
  2. Step 2: Convert to fraction form
    18,684,897.40/28,027,346.10 = 16,665,421.60/x
  3. Step 3: Cross multiply
    18,684,897.40x = 28,027,346.10 × 16,665,421.60
  4. Step 4: Simplify right side
    18,684,897.40x = 467,087,539,085,615.75
  5. Step 5: Solve for x
    x = 467,087,539,085,615.75/18,684,897.40
  6. Step 6: Final answer
    x = 24,998,132.40

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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.