Home / 28,789,466.13-39,729,460.23-15,736,777.02

Finding the Fourth Proportional to 28,789,466.13, 39,729,460.23 and 15,736,777.02

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Solution

The fourth proportional to 28,789,466.13, 39,729,460.23 and 15,736,777.02 is: 21,716,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789,466.13 : 39,729,460.23 = 15,736,777.02 : x
  2. Step 2: Convert to fraction form
    28,789,466.13/39,729,460.23 = 15,736,777.02/x
  3. Step 3: Cross multiply
    28,789,466.13x = 39,729,460.23 × 15,736,777.02
  4. Step 4: Simplify right side
    28,789,466.13x = 625,213,656,764,467.88
  5. Step 5: Solve for x
    x = 625,213,656,764,467.88/28,789,466.13
  6. Step 6: Final answer
    x = 21,716,750.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.