Home / 8,302,495.60-12,444,412.20-4,257,420.40

Finding the Fourth Proportional to 8,302,495.60, 12,444,412.20 and 4,257,420.40

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Solution

The fourth proportional to 8,302,495.60, 12,444,412.20 and 4,257,420.40 is: 6,381,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,495.60 : 12,444,412.20 = 4,257,420.40 : x
  2. Step 2: Convert to fraction form
    8,302,495.60/12,444,412.20 = 4,257,420.40/x
  3. Step 3: Cross multiply
    8,302,495.60x = 12,444,412.20 × 4,257,420.40
  4. Step 4: Simplify right side
    8,302,495.60x = 52,981,094,366,288.88
  5. Step 5: Solve for x
    x = 52,981,094,366,288.88/8,302,495.60
  6. Step 6: Final answer
    x = 6,381,345.67

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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.