Home / 14,293,698.72-21,438,775.23-8,461,354.88

Finding the Fourth Proportional to 14,293,698.72, 21,438,775.23 and 8,461,354.88

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Solution

The fourth proportional to 14,293,698.72, 21,438,775.23 and 8,461,354.88 is: 12,690,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293,698.72 : 21,438,775.23 = 8,461,354.88 : x
  2. Step 2: Convert to fraction form
    14,293,698.72/21,438,775.23 = 8,461,354.88/x
  3. Step 3: Cross multiply
    14,293,698.72x = 21,438,775.23 × 8,461,354.88
  4. Step 4: Simplify right side
    14,293,698.72x = 181,401,085,306,389.75
  5. Step 5: Solve for x
    x = 181,401,085,306,389.75/14,293,698.72
  6. Step 6: Final answer
    x = 12,690,982.85

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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.