Home / 10,457,493.40-15,682,713.58-3,979,030.78

Finding the Fourth Proportional to 10,457,493.40, 15,682,713.58 and 3,979,030.78

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Solution

The fourth proportional to 10,457,493.40, 15,682,713.58 and 3,979,030.78 is: 5,967,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,493.40 : 15,682,713.58 = 3,979,030.78 : x
  2. Step 2: Convert to fraction form
    10,457,493.40/15,682,713.58 = 3,979,030.78/x
  3. Step 3: Cross multiply
    10,457,493.40x = 15,682,713.58 × 3,979,030.78
  4. Step 4: Simplify right side
    10,457,493.40x = 62,402,000,048,743.99
  5. Step 5: Solve for x
    x = 62,402,000,048,743.99/10,457,493.40
  6. Step 6: Final answer
    x = 5,967,204.34

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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.