Home / 8,323,213.20-12,484,819.80-7,931,302.80

Finding the Fourth Proportional to 8,323,213.20, 12,484,819.80 and 7,931,302.80

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Solution

The fourth proportional to 8,323,213.20, 12,484,819.80 and 7,931,302.80 is: 11,896,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,213.20 : 12,484,819.80 = 7,931,302.80 : x
  2. Step 2: Convert to fraction form
    8,323,213.20/12,484,819.80 = 7,931,302.80/x
  3. Step 3: Cross multiply
    8,323,213.20x = 12,484,819.80 × 7,931,302.80
  4. Step 4: Simplify right side
    8,323,213.20x = 99,020,886,237,235.44
  5. Step 5: Solve for x
    x = 99,020,886,237,235.44/8,323,213.20
  6. Step 6: Final answer
    x = 11,896,954.20

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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.