Home / 8,300,540.40-12,450,810.60-6,620,924.40

Finding the Fourth Proportional to 8,300,540.40, 12,450,810.60 and 6,620,924.40

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Solution

The fourth proportional to 8,300,540.40, 12,450,810.60 and 6,620,924.40 is: 9,931,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,540.40 : 12,450,810.60 = 6,620,924.40 : x
  2. Step 2: Convert to fraction form
    8,300,540.40/12,450,810.60 = 6,620,924.40/x
  3. Step 3: Cross multiply
    8,300,540.40x = 12,450,810.60 × 6,620,924.40
  4. Step 4: Simplify right side
    8,300,540.40x = 82,435,875,701,318.64
  5. Step 5: Solve for x
    x = 82,435,875,701,318.64/8,300,540.40
  6. Step 6: Final answer
    x = 9,931,386.60

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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.