Home / 12,756,564.86-19,143,814.01-11,536,907.76

Finding the Fourth Proportional to 12,756,564.86, 19,143,814.01 and 11,536,907.76

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Solution

The fourth proportional to 12,756,564.86, 19,143,814.01 and 11,536,907.76 is: 17,313,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,564.86 : 19,143,814.01 = 11,536,907.76 : x
  2. Step 2: Convert to fraction form
    12,756,564.86/19,143,814.01 = 11,536,907.76/x
  3. Step 3: Cross multiply
    12,756,564.86x = 19,143,814.01 × 11,536,907.76
  4. Step 4: Simplify right side
    12,756,564.86x = 220,860,416,350,281.16
  5. Step 5: Solve for x
    x = 220,860,416,350,281.16/12,756,564.86
  6. Step 6: Final answer
    x = 17,313,471.05

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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.