Home / 12,269,423.78-16,931,034.50-6,762,495.60

Finding the Fourth Proportional to 12,269,423.78, 16,931,034.50 and 6,762,495.60

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Solution

The fourth proportional to 12,269,423.78, 16,931,034.50 and 6,762,495.60 is: 9,331,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,423.78 : 16,931,034.50 = 6,762,495.60 : x
  2. Step 2: Convert to fraction form
    12,269,423.78/16,931,034.50 = 6,762,495.60/x
  3. Step 3: Cross multiply
    12,269,423.78x = 16,931,034.50 × 6,762,495.60
  4. Step 4: Simplify right side
    12,269,423.78x = 114,496,046,309,698.19
  5. Step 5: Solve for x
    x = 114,496,046,309,698.19/12,269,423.78
  6. Step 6: Final answer
    x = 9,331,819.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.