Home / 12,903,690.80-19,324,043.40-6,164,231.60

Finding the Fourth Proportional to 12,903,690.80, 19,324,043.40 and 6,164,231.60

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Solution

The fourth proportional to 12,903,690.80, 19,324,043.40 and 6,164,231.60 is: 9,231,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,690.80 : 19,324,043.40 = 6,164,231.60 : x
  2. Step 2: Convert to fraction form
    12,903,690.80/19,324,043.40 = 6,164,231.60/x
  3. Step 3: Cross multiply
    12,903,690.80x = 19,324,043.40 × 6,164,231.60
  4. Step 4: Simplify right side
    12,903,690.80x = 119,117,878,966,051.42
  5. Step 5: Solve for x
    x = 119,117,878,966,051.42/12,903,690.80
  6. Step 6: Final answer
    x = 9,231,302.95

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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.