Home / 21,299,603.67-31,949,403.48-5,125,556.88

Finding the Fourth Proportional to 21,299,603.67, 31,949,403.48 and 5,125,556.88

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Solution

The fourth proportional to 21,299,603.67, 31,949,403.48 and 5,125,556.88 is: 7,688,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,299,603.67 : 31,949,403.48 = 5,125,556.88 : x
  2. Step 2: Convert to fraction form
    21,299,603.67/31,949,403.48 = 5,125,556.88/x
  3. Step 3: Cross multiply
    21,299,603.67x = 31,949,403.48 × 5,125,556.88
  4. Step 4: Simplify right side
    21,299,603.67x = 163,758,484,818,809.94
  5. Step 5: Solve for x
    x = 163,758,484,818,809.94/21,299,603.67
  6. Step 6: Final answer
    x = 7,688,334.83

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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.