Home / 55,419,009.60-83,128,514.40-15,029,493.60

Finding the Fourth Proportional to 55,419,009.60, 83,128,514.40 and 15,029,493.60

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Solution

The fourth proportional to 55,419,009.60, 83,128,514.40 and 15,029,493.60 is: 22,544,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419,009.60 : 83,128,514.40 = 15,029,493.60 : x
  2. Step 2: Convert to fraction form
    55,419,009.60/83,128,514.40 = 15,029,493.60/x
  3. Step 3: Cross multiply
    55,419,009.60x = 83,128,514.40 × 15,029,493.60
  4. Step 4: Simplify right side
    55,419,009.60x = 1,249,379,475,152,308
  5. Step 5: Solve for x
    x = 1,249,379,475,152,308/55,419,009.60
  6. Step 6: Final answer
    x = 22,544,240.40

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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.