Home / 11,347,953.20-17,021,929.80-9,108,465.20

Finding the Fourth Proportional to 11,347,953.20, 17,021,929.80 and 9,108,465.20

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Solution

The fourth proportional to 11,347,953.20, 17,021,929.80 and 9,108,465.20 is: 13,662,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347,953.20 : 17,021,929.80 = 9,108,465.20 : x
  2. Step 2: Convert to fraction form
    11,347,953.20/17,021,929.80 = 9,108,465.20/x
  3. Step 3: Cross multiply
    11,347,953.20x = 17,021,929.80 × 9,108,465.20
  4. Step 4: Simplify right side
    11,347,953.20x = 155,043,655,220,142.97
  5. Step 5: Solve for x
    x = 155,043,655,220,142.97/11,347,953.20
  6. Step 6: Final answer
    x = 13,662,697.80

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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.