Home / 52,329,090.40-78,493,100.28-13,467,390.39

Finding the Fourth Proportional to 52,329,090.40, 78,493,100.28 and 13,467,390.39

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Solution

The fourth proportional to 52,329,090.40, 78,493,100.28 and 13,467,390.39 is: 20,200,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,329,090.40 : 78,493,100.28 = 13,467,390.39 : x
  2. Step 2: Convert to fraction form
    52,329,090.40/78,493,100.28 = 13,467,390.39/x
  3. Step 3: Cross multiply
    52,329,090.40x = 78,493,100.28 × 13,467,390.39
  4. Step 4: Simplify right side
    52,329,090.40x = 1,057,097,224,358,647.25
  5. Step 5: Solve for x
    x = 1,057,097,224,358,647.25/52,329,090.40
  6. Step 6: Final answer
    x = 20,200,947.81

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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.