Home / 12,385,610.60-18,578,415.90-4,295,897.60

Finding the Fourth Proportional to 12,385,610.60, 18,578,415.90 and 4,295,897.60

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Solution

The fourth proportional to 12,385,610.60, 18,578,415.90 and 4,295,897.60 is: 6,443,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,610.60 : 18,578,415.90 = 4,295,897.60 : x
  2. Step 2: Convert to fraction form
    12,385,610.60/18,578,415.90 = 4,295,897.60/x
  3. Step 3: Cross multiply
    12,385,610.60x = 18,578,415.90 × 4,295,897.60
  4. Step 4: Simplify right side
    12,385,610.60x = 79,810,972,276,611.83
  5. Step 5: Solve for x
    x = 79,810,972,276,611.83/12,385,610.60
  6. Step 6: Final answer
    x = 6,443,846.40

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Double scale
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Similar ratio
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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.