Home / 13,046,938.40-19,531,700.40-9,696,000.80

Finding the Fourth Proportional to 13,046,938.40, 19,531,700.40 and 9,696,000.80

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Solution

The fourth proportional to 13,046,938.40, 19,531,700.40 and 9,696,000.80 is: 14,515,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,938.40 : 19,531,700.40 = 9,696,000.80 : x
  2. Step 2: Convert to fraction form
    13,046,938.40/19,531,700.40 = 9,696,000.80/x
  3. Step 3: Cross multiply
    13,046,938.40x = 19,531,700.40 × 9,696,000.80
  4. Step 4: Simplify right side
    13,046,938.40x = 189,379,382,703,760.31
  5. Step 5: Solve for x
    x = 189,379,382,703,760.31/13,046,938.40
  6. Step 6: Final answer
    x = 14,515,235.44

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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.