Home / 8,249,178.20-12,379,672.20-4,651,125.80

Finding the Fourth Proportional to 8,249,178.20, 12,379,672.20 and 4,651,125.80

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Solution

The fourth proportional to 8,249,178.20, 12,379,672.20 and 4,651,125.80 is: 6,980,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249,178.20 : 12,379,672.20 = 4,651,125.80 : x
  2. Step 2: Convert to fraction form
    8,249,178.20/12,379,672.20 = 4,651,125.80/x
  3. Step 3: Cross multiply
    8,249,178.20x = 12,379,672.20 × 4,651,125.80
  4. Step 4: Simplify right side
    8,249,178.20x = 57,579,412,764,962.76
  5. Step 5: Solve for x
    x = 57,579,412,764,962.76/8,249,178.20
  6. Step 6: Final answer
    x = 6,980,018.05

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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.