Home / 11,488,455.60-17,209,063.80-7,898,276.40

Finding the Fourth Proportional to 11,488,455.60, 17,209,063.80 and 7,898,276.40

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Solution

The fourth proportional to 11,488,455.60, 17,209,063.80 and 7,898,276.40 is: 11,831,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488,455.60 : 17,209,063.80 = 7,898,276.40 : x
  2. Step 2: Convert to fraction form
    11,488,455.60/17,209,063.80 = 7,898,276.40/x
  3. Step 3: Cross multiply
    11,488,455.60x = 17,209,063.80 × 7,898,276.40
  4. Step 4: Simplify right side
    11,488,455.60x = 135,921,942,477,634.33
  5. Step 5: Solve for x
    x = 135,921,942,477,634.33/11,488,455.60
  6. Step 6: Final answer
    x = 11,831,176.20

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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.