Home / 8,312,506.40-12,447,764.40-6,632,890.40

Finding the Fourth Proportional to 8,312,506.40, 12,447,764.40 and 6,632,890.40

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Solution

The fourth proportional to 8,312,506.40, 12,447,764.40 and 6,632,890.40 is: 9,932,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,506.40 : 12,447,764.40 = 6,632,890.40 : x
  2. Step 2: Convert to fraction form
    8,312,506.40/12,447,764.40 = 6,632,890.40/x
  3. Step 3: Cross multiply
    8,312,506.40x = 12,447,764.40 × 6,632,890.40
  4. Step 4: Simplify right side
    8,312,506.40x = 82,564,656,990,221.77
  5. Step 5: Solve for x
    x = 82,564,656,990,221.77/8,312,506.40
  6. Step 6: Final answer
    x = 9,932,582.67

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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.