Home / 18,862,699.42-28,294,045.48-8,073,003.70

Finding the Fourth Proportional to 18,862,699.42, 28,294,045.48 and 8,073,003.70

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Solution

The fourth proportional to 18,862,699.42, 28,294,045.48 and 8,073,003.70 is: 12,109,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862,699.42 : 28,294,045.48 = 8,073,003.70 : x
  2. Step 2: Convert to fraction form
    18,862,699.42/28,294,045.48 = 8,073,003.70/x
  3. Step 3: Cross multiply
    18,862,699.42x = 28,294,045.48 × 8,073,003.70
  4. Step 4: Simplify right side
    18,862,699.42x = 228,417,933,848,008.28
  5. Step 5: Solve for x
    x = 228,417,933,848,008.28/18,862,699.42
  6. Step 6: Final answer
    x = 12,109,503.99

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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.