Home / 12,268,986.48-16,931,941.20-6,762,353.76

Finding the Fourth Proportional to 12,268,986.48, 16,931,941.20 and 6,762,353.76

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Solution

The fourth proportional to 12,268,986.48, 16,931,941.20 and 6,762,353.76 is: 9,332,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,986.48 : 16,931,941.20 = 6,762,353.76 : x
  2. Step 2: Convert to fraction form
    12,268,986.48/16,931,941.20 = 6,762,353.76/x
  3. Step 3: Cross multiply
    12,268,986.48x = 16,931,941.20 × 6,762,353.76
  4. Step 4: Simplify right side
    12,268,986.48x = 114,499,776,237,918.91
  5. Step 5: Solve for x
    x = 114,499,776,237,918.91/12,268,986.48
  6. Step 6: Final answer
    x = 9,332,455.98

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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.