Home / 10,520,443.60-15,775,999.80-4,842,408.40

Finding the Fourth Proportional to 10,520,443.60, 15,775,999.80 and 4,842,408.40

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Solution

The fourth proportional to 10,520,443.60, 15,775,999.80 and 4,842,408.40 is: 7,261,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,443.60 : 15,775,999.80 = 4,842,408.40 : x
  2. Step 2: Convert to fraction form
    10,520,443.60/15,775,999.80 = 4,842,408.40/x
  3. Step 3: Cross multiply
    10,520,443.60x = 15,775,999.80 × 4,842,408.40
  4. Step 4: Simplify right side
    10,520,443.60x = 76,393,833,949,918.33
  5. Step 5: Solve for x
    x = 76,393,833,949,918.33/10,520,443.60
  6. Step 6: Final answer
    x = 7,261,465.09

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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.