Home / 10,508,961.60-15,763,442.40-6,918,782.40

Finding the Fourth Proportional to 10,508,961.60, 15,763,442.40 and 6,918,782.40

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Solution

The fourth proportional to 10,508,961.60, 15,763,442.40 and 6,918,782.40 is: 10,378,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508,961.60 : 15,763,442.40 = 6,918,782.40 : x
  2. Step 2: Convert to fraction form
    10,508,961.60/15,763,442.40 = 6,918,782.40/x
  3. Step 3: Cross multiply
    10,508,961.60x = 15,763,442.40 × 6,918,782.40
  4. Step 4: Simplify right side
    10,508,961.60x = 109,063,827,840,533.77
  5. Step 5: Solve for x
    x = 109,063,827,840,533.77/10,508,961.60
  6. Step 6: Final answer
    x = 10,378,173.60

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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.