Home / 11,898,329-16,421,093.70-7,069,433

Finding the Fourth Proportional to 11,898,329, 16,421,093.70 and 7,069,433

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Solution

The fourth proportional to 11,898,329, 16,421,093.70 and 7,069,433 is: 9,756,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898,329 : 16,421,093.70 = 7,069,433 : x
  2. Step 2: Convert to fraction form
    11,898,329/16,421,093.70 = 7,069,433/x
  3. Step 3: Cross multiply
    11,898,329x = 16,421,093.70 × 7,069,433
  4. Step 4: Simplify right side
    11,898,329x = 116,087,821,698,872.09
  5. Step 5: Solve for x
    x = 116,087,821,698,872.09/11,898,329
  6. Step 6: Final answer
    x = 9,756,649.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.