Home / 28,243,908.20-42,365,862.30-8,046,525.80

Finding the Fourth Proportional to 28,243,908.20, 42,365,862.30 and 8,046,525.80

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Solution

The fourth proportional to 28,243,908.20, 42,365,862.30 and 8,046,525.80 is: 12,069,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,908.20 : 42,365,862.30 = 8,046,525.80 : x
  2. Step 2: Convert to fraction form
    28,243,908.20/42,365,862.30 = 8,046,525.80/x
  3. Step 3: Cross multiply
    28,243,908.20x = 42,365,862.30 × 8,046,525.80
  4. Step 4: Simplify right side
    28,243,908.20x = 340,898,004,036,197.31
  5. Step 5: Solve for x
    x = 340,898,004,036,197.31/28,243,908.20
  6. Step 6: Final answer
    x = 12,069,788.70

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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.