Home / 8,300,552.40-12,450,828.60-6,620,936.40

Finding the Fourth Proportional to 8,300,552.40, 12,450,828.60 and 6,620,936.40

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Solution

The fourth proportional to 8,300,552.40, 12,450,828.60 and 6,620,936.40 is: 9,931,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,552.40 : 12,450,828.60 = 6,620,936.40 : x
  2. Step 2: Convert to fraction form
    8,300,552.40/12,450,828.60 = 6,620,936.40/x
  3. Step 3: Cross multiply
    8,300,552.40x = 12,450,828.60 × 6,620,936.40
  4. Step 4: Simplify right side
    8,300,552.40x = 82,436,144,287,901.05
  5. Step 5: Solve for x
    x = 82,436,144,287,901.05/8,300,552.40
  6. Step 6: Final answer
    x = 9,931,404.60

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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.