Home / 17,556,820.40-26,332,569.66-4,778,320.88

Finding the Fourth Proportional to 17,556,820.40, 26,332,569.66 and 4,778,320.88

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Solution

The fourth proportional to 17,556,820.40, 26,332,569.66 and 4,778,320.88 is: 7,166,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,556,820.40 : 26,332,569.66 = 4,778,320.88 : x
  2. Step 2: Convert to fraction form
    17,556,820.40/26,332,569.66 = 4,778,320.88/x
  3. Step 3: Cross multiply
    17,556,820.40x = 26,332,569.66 × 4,778,320.88
  4. Step 4: Simplify right side
    17,556,820.40x = 125,825,467,430,432.50
  5. Step 5: Solve for x
    x = 125,825,467,430,432.50/17,556,820.40
  6. Step 6: Final answer
    x = 7,166,757.11

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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.