Home / 21,450,914.46-32,133,290.58-9,920,219.40

Finding the Fourth Proportional to 21,450,914.46, 32,133,290.58 and 9,920,219.40

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Solution

The fourth proportional to 21,450,914.46, 32,133,290.58 and 9,920,219.40 is: 14,860,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450,914.46 : 32,133,290.58 = 9,920,219.40 : x
  2. Step 2: Convert to fraction form
    21,450,914.46/32,133,290.58 = 9,920,219.40/x
  3. Step 3: Cross multiply
    21,450,914.46x = 32,133,290.58 × 9,920,219.40
  4. Step 4: Simplify right side
    21,450,914.46x = 318,769,292,597,553.25
  5. Step 5: Solve for x
    x = 318,769,292,597,553.25/21,450,914.46
  6. Step 6: Final answer
    x = 14,860,405.75

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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.