Home / 8,520,558.30-12,780,950.40-2,840,784.48

Finding the Fourth Proportional to 8,520,558.30, 12,780,950.40 and 2,840,784.48

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Solution

The fourth proportional to 8,520,558.30, 12,780,950.40 and 2,840,784.48 is: 4,261,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,558.30 : 12,780,950.40 = 2,840,784.48 : x
  2. Step 2: Convert to fraction form
    8,520,558.30/12,780,950.40 = 2,840,784.48/x
  3. Step 3: Cross multiply
    8,520,558.30x = 12,780,950.40 × 2,840,784.48
  4. Step 4: Simplify right side
    8,520,558.30x = 36,307,925,535,969.79
  5. Step 5: Solve for x
    x = 36,307,925,535,969.79/8,520,558.30
  6. Step 6: Final answer
    x = 4,261,214.38

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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.