Home / 28,003,866.20-42,000,615.30-7,804,928.60

Finding the Fourth Proportional to 28,003,866.20, 42,000,615.30 and 7,804,928.60

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Solution

The fourth proportional to 28,003,866.20, 42,000,615.30 and 7,804,928.60 is: 11,705,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,866.20 : 42,000,615.30 = 7,804,928.60 : x
  2. Step 2: Convert to fraction form
    28,003,866.20/42,000,615.30 = 7,804,928.60/x
  3. Step 3: Cross multiply
    28,003,866.20x = 42,000,615.30 × 7,804,928.60
  4. Step 4: Simplify right side
    28,003,866.20x = 327,811,803,572,567.56
  5. Step 5: Solve for x
    x = 327,811,803,572,567.56/28,003,866.20
  6. Step 6: Final answer
    x = 11,705,948.07

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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.