Home / 30,248,056.16-45,331,556.16-28,310,950.88

Finding the Fourth Proportional to 30,248,056.16, 45,331,556.16 and 28,310,950.88

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Solution

The fourth proportional to 30,248,056.16, 45,331,556.16 and 28,310,950.88 is: 42,428,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248,056.16 : 45,331,556.16 = 28,310,950.88 : x
  2. Step 2: Convert to fraction form
    30,248,056.16/45,331,556.16 = 28,310,950.88/x
  3. Step 3: Cross multiply
    30,248,056.16x = 45,331,556.16 × 28,310,950.88
  4. Step 4: Simplify right side
    30,248,056.16x = 1,283,379,459,759,721.25
  5. Step 5: Solve for x
    x = 1,283,379,459,759,721.25/30,248,056.16
  6. Step 6: Final answer
    x = 42,428,493.68

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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.