Home / 20,294,402.60-30,441,603.90-8,320,975.40

Finding the Fourth Proportional to 20,294,402.60, 30,441,603.90 and 8,320,975.40

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Solution

The fourth proportional to 20,294,402.60, 30,441,603.90 and 8,320,975.40 is: 12,481,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294,402.60 : 30,441,603.90 = 8,320,975.40 : x
  2. Step 2: Convert to fraction form
    20,294,402.60/30,441,603.90 = 8,320,975.40/x
  3. Step 3: Cross multiply
    20,294,402.60x = 30,441,603.90 × 8,320,975.40
  4. Step 4: Simplify right side
    20,294,402.60x = 253,303,837,188,444.06
  5. Step 5: Solve for x
    x = 253,303,837,188,444.06/20,294,402.60
  6. Step 6: Final answer
    x = 12,481,463.10

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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.