Home / 19,320,801.60-28,985,090.40-5,673,921.60

Finding the Fourth Proportional to 19,320,801.60, 28,985,090.40 and 5,673,921.60

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Solution

The fourth proportional to 19,320,801.60, 28,985,090.40 and 5,673,921.60 is: 8,512,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,801.60 : 28,985,090.40 = 5,673,921.60 : x
  2. Step 2: Convert to fraction form
    19,320,801.60/28,985,090.40 = 5,673,921.60/x
  3. Step 3: Cross multiply
    19,320,801.60x = 28,985,090.40 × 5,673,921.60
  4. Step 4: Simplify right side
    19,320,801.60x = 164,459,130,498,512.62
  5. Step 5: Solve for x
    x = 164,459,130,498,512.62/19,320,801.60
  6. Step 6: Final answer
    x = 8,512,024.19

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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.