Home / 10,215,819.07-15,323,285.74-2,539,301.45

Finding the Fourth Proportional to 10,215,819.07, 15,323,285.74 and 2,539,301.45

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Solution

The fourth proportional to 10,215,819.07, 15,323,285.74 and 2,539,301.45 is: 3,808,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,819.07 : 15,323,285.74 = 2,539,301.45 : x
  2. Step 2: Convert to fraction form
    10,215,819.07/15,323,285.74 = 2,539,301.45/x
  3. Step 3: Cross multiply
    10,215,819.07x = 15,323,285.74 × 2,539,301.45
  4. Step 4: Simplify right side
    10,215,819.07x = 38,910,441,713,479.37
  5. Step 5: Solve for x
    x = 38,910,441,713,479.37/10,215,819.07
  6. Step 6: Final answer
    x = 3,808,842.09

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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.