Home / 20,500,602.34-28,291,421.74-11,333,835.58

Finding the Fourth Proportional to 20,500,602.34, 28,291,421.74 and 11,333,835.58

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Solution

The fourth proportional to 20,500,602.34, 28,291,421.74 and 11,333,835.58 is: 15,641,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500,602.34 : 28,291,421.74 = 11,333,835.58 : x
  2. Step 2: Convert to fraction form
    20,500,602.34/28,291,421.74 = 11,333,835.58/x
  3. Step 3: Cross multiply
    20,500,602.34x = 28,291,421.74 × 11,333,835.58
  4. Step 4: Simplify right side
    20,500,602.34x = 320,650,322,325,597.50
  5. Step 5: Solve for x
    x = 320,650,322,325,597.50/20,500,602.34
  6. Step 6: Final answer
    x = 15,641,019.57

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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.