Home / 29,240,207.20-43,682,602.72-18,921,000.64

Finding the Fourth Proportional to 29,240,207.20, 43,682,602.72 and 18,921,000.64

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Solution

The fourth proportional to 29,240,207.20, 43,682,602.72 and 18,921,000.64 is: 28,266,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240,207.20 : 43,682,602.72 = 18,921,000.64 : x
  2. Step 2: Convert to fraction form
    29,240,207.20/43,682,602.72 = 18,921,000.64/x
  3. Step 3: Cross multiply
    29,240,207.20x = 43,682,602.72 × 18,921,000.64
  4. Step 4: Simplify right side
    29,240,207.20x = 826,518,554,021,985.75
  5. Step 5: Solve for x
    x = 826,518,554,021,985.75/29,240,207.20
  6. Step 6: Final answer
    x = 28,266,508.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.