Home / 18,865,605.90-28,233,090.45-11,298,002.70

Finding the Fourth Proportional to 18,865,605.90, 28,233,090.45 and 11,298,002.70

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Solution

The fourth proportional to 18,865,605.90, 28,233,090.45 and 11,298,002.70 is: 16,907,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,605.90 : 28,233,090.45 = 11,298,002.70 : x
  2. Step 2: Convert to fraction form
    18,865,605.90/28,233,090.45 = 11,298,002.70/x
  3. Step 3: Cross multiply
    18,865,605.90x = 28,233,090.45 × 11,298,002.70
  4. Step 4: Simplify right side
    18,865,605.90x = 318,977,532,133,444.19
  5. Step 5: Solve for x
    x = 318,977,532,133,444.19/18,865,605.90
  6. Step 6: Final answer
    x = 16,907,886.97

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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.