Home / 15,677,992.76-21,634,898.76-8,709,122

Finding the Fourth Proportional to 15,677,992.76, 21,634,898.76 and 8,709,122

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Solution

The fourth proportional to 15,677,992.76, 21,634,898.76 and 8,709,122 is: 12,018,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677,992.76 : 21,634,898.76 = 8,709,122 : x
  2. Step 2: Convert to fraction form
    15,677,992.76/21,634,898.76 = 8,709,122/x
  3. Step 3: Cross multiply
    15,677,992.76x = 21,634,898.76 × 8,709,122
  4. Step 4: Simplify right side
    15,677,992.76x = 188,420,972,758,488.72
  5. Step 5: Solve for x
    x = 188,420,972,758,488.72/15,677,992.76
  6. Step 6: Final answer
    x = 12,018,182.15

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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.