Home / 15,400,450.54-21,252,588.40-8,431,071.63

Finding the Fourth Proportional to 15,400,450.54, 21,252,588.40 and 8,431,071.63

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Solution

The fourth proportional to 15,400,450.54, 21,252,588.40 and 8,431,071.63 is: 11,634,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,450.54 : 21,252,588.40 = 8,431,071.63 : x
  2. Step 2: Convert to fraction form
    15,400,450.54/21,252,588.40 = 8,431,071.63/x
  3. Step 3: Cross multiply
    15,400,450.54x = 21,252,588.40 × 8,431,071.63
  4. Step 4: Simplify right side
    15,400,450.54x = 179,182,095,123,307.09
  5. Step 5: Solve for x
    x = 179,182,095,123,307.09/15,400,450.54
  6. Step 6: Final answer
    x = 11,634,860.59

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1.5x scale

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.