Home / 12,811,156.40-19,193,406.60-6,064,698.80

Finding the Fourth Proportional to 12,811,156.40, 19,193,406.60 and 6,064,698.80

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Solution

The fourth proportional to 12,811,156.40, 19,193,406.60 and 6,064,698.80 is: 9,086,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,156.40 : 19,193,406.60 = 6,064,698.80 : x
  2. Step 2: Convert to fraction form
    12,811,156.40/19,193,406.60 = 6,064,698.80/x
  3. Step 3: Cross multiply
    12,811,156.40x = 19,193,406.60 × 6,064,698.80
  4. Step 4: Simplify right side
    12,811,156.40x = 116,402,229,974,932.08
  5. Step 5: Solve for x
    x = 116,402,229,974,932.08/12,811,156.40
  6. Step 6: Final answer
    x = 9,086,004.91

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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.