Home / 20,510,320.34-28,301,097.93-11,806,811.18

Finding the Fourth Proportional to 20,510,320.34, 28,301,097.93 and 11,806,811.18

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Solution

The fourth proportional to 20,510,320.34, 28,301,097.93 and 11,806,811.18 is: 16,291,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510,320.34 : 28,301,097.93 = 11,806,811.18 : x
  2. Step 2: Convert to fraction form
    20,510,320.34/28,301,097.93 = 11,806,811.18/x
  3. Step 3: Cross multiply
    20,510,320.34x = 28,301,097.93 × 11,806,811.18
  4. Step 4: Simplify right side
    20,510,320.34x = 334,145,719,446,198.88
  5. Step 5: Solve for x
    x = 334,145,719,446,198.88/20,510,320.34
  6. Step 6: Final answer
    x = 16,291,589.50

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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.