Home / 10,579,408.32-15,874,127.42-5,111,438.03

Finding the Fourth Proportional to 10,579,408.32, 15,874,127.42 and 5,111,438.03

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Solution

The fourth proportional to 10,579,408.32, 15,874,127.42 and 5,111,438.03 is: 7,669,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579,408.32 : 15,874,127.42 = 5,111,438.03 : x
  2. Step 2: Convert to fraction form
    10,579,408.32/15,874,127.42 = 5,111,438.03/x
  3. Step 3: Cross multiply
    10,579,408.32x = 15,874,127.42 × 5,111,438.03
  4. Step 4: Simplify right side
    10,579,408.32x = 81,139,618,482,725.95
  5. Step 5: Solve for x
    x = 81,139,618,482,725.95/10,579,408.32
  6. Step 6: Final answer
    x = 7,669,580.00

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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.