Home / 20,671,951.48-28,526,312.94-11,379,330.04

Finding the Fourth Proportional to 20,671,951.48, 28,526,312.94 and 11,379,330.04

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Solution

The fourth proportional to 20,671,951.48, 28,526,312.94 and 11,379,330.04 is: 15,702,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,951.48 : 28,526,312.94 = 11,379,330.04 : x
  2. Step 2: Convert to fraction form
    20,671,951.48/28,526,312.94 = 11,379,330.04/x
  3. Step 3: Cross multiply
    20,671,951.48x = 28,526,312.94 × 11,379,330.04
  4. Step 4: Simplify right side
    20,671,951.48x = 324,610,329,768,582.69
  5. Step 5: Solve for x
    x = 324,610,329,768,582.69/20,671,951.48
  6. Step 6: Final answer
    x = 15,702,935.94

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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.