Home / 15,415,492.01-21,271,828.57-8,538,689.21

Finding the Fourth Proportional to 15,415,492.01, 21,271,828.57 and 8,538,689.21

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Solution

The fourth proportional to 15,415,492.01, 21,271,828.57 and 8,538,689.21 is: 11,782,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,492.01 : 21,271,828.57 = 8,538,689.21 : x
  2. Step 2: Convert to fraction form
    15,415,492.01/21,271,828.57 = 8,538,689.21/x
  3. Step 3: Cross multiply
    15,415,492.01x = 21,271,828.57 × 8,538,689.21
  4. Step 4: Simplify right side
    15,415,492.01x = 181,633,532,959,922.84
  5. Step 5: Solve for x
    x = 181,633,532,959,922.84/15,415,492.01
  6. Step 6: Final answer
    x = 11,782,532.33

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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.