Home / 7,809,487.02-11,721,786.95-3,768,819.30

Finding the Fourth Proportional to 7,809,487.02, 11,721,786.95 and 3,768,819.30

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Solution

The fourth proportional to 7,809,487.02, 11,721,786.95 and 3,768,819.30 is: 5,656,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809,487.02 : 11,721,786.95 = 3,768,819.30 : x
  2. Step 2: Convert to fraction form
    7,809,487.02/11,721,786.95 = 3,768,819.30/x
  3. Step 3: Cross multiply
    7,809,487.02x = 11,721,786.95 × 3,768,819.30
  4. Step 4: Simplify right side
    7,809,487.02x = 44,177,296,897,070.18
  5. Step 5: Solve for x
    x = 44,177,296,897,070.18/7,809,487.02
  6. Step 6: Final answer
    x = 5,656,875.64

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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.