Home / 30,416,275.49-45,548,744.64-21,275,573.31

Finding the Fourth Proportional to 30,416,275.49, 45,548,744.64 and 21,275,573.31

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Solution

The fourth proportional to 30,416,275.49, 45,548,744.64 and 21,275,573.31 is: 31,860,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416,275.49 : 45,548,744.64 = 21,275,573.31 : x
  2. Step 2: Convert to fraction form
    30,416,275.49/45,548,744.64 = 21,275,573.31/x
  3. Step 3: Cross multiply
    30,416,275.49x = 45,548,744.64 × 21,275,573.31
  4. Step 4: Simplify right side
    30,416,275.49x = 969,075,655,766,789.50
  5. Step 5: Solve for x
    x = 969,075,655,766,789.50/30,416,275.49
  6. Step 6: Final answer
    x = 31,860,431.31

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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.