Home / 7,889,618.40-11,834,427.60-4,102,609.20

Finding the Fourth Proportional to 7,889,618.40, 11,834,427.60 and 4,102,609.20

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Solution

The fourth proportional to 7,889,618.40, 11,834,427.60 and 4,102,609.20 is: 6,153,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,618.40 : 11,834,427.60 = 4,102,609.20 : x
  2. Step 2: Convert to fraction form
    7,889,618.40/11,834,427.60 = 4,102,609.20/x
  3. Step 3: Cross multiply
    7,889,618.40x = 11,834,427.60 × 4,102,609.20
  4. Step 4: Simplify right side
    7,889,618.40x = 48,552,031,548,493.92
  5. Step 5: Solve for x
    x = 48,552,031,548,493.92/7,889,618.40
  6. Step 6: Final answer
    x = 6,153,913.80

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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.