Home / 12,293,654.80-18,398,491.80-10,782,000.40

Finding the Fourth Proportional to 12,293,654.80, 18,398,491.80 and 10,782,000.40

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Solution

The fourth proportional to 12,293,654.80, 18,398,491.80 and 10,782,000.40 is: 16,136,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,654.80 : 18,398,491.80 = 10,782,000.40 : x
  2. Step 2: Convert to fraction form
    12,293,654.80/18,398,491.80 = 10,782,000.40/x
  3. Step 3: Cross multiply
    12,293,654.80x = 18,398,491.80 × 10,782,000.40
  4. Step 4: Simplify right side
    12,293,654.80x = 198,372,545,946,996.75
  5. Step 5: Solve for x
    x = 198,372,545,946,996.75/12,293,654.80
  6. Step 6: Final answer
    x = 16,136,173.43

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1.5x scale

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.