Home / 7,421,298.99-11,124,179.78-3,105,821.90

Finding the Fourth Proportional to 7,421,298.99, 11,124,179.78 and 3,105,821.90

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Solution

The fourth proportional to 7,421,298.99, 11,124,179.78 and 3,105,821.90 is: 4,655,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,298.99 : 11,124,179.78 = 3,105,821.90 : x
  2. Step 2: Convert to fraction form
    7,421,298.99/11,124,179.78 = 3,105,821.90/x
  3. Step 3: Cross multiply
    7,421,298.99x = 11,124,179.78 × 3,105,821.90
  4. Step 4: Simplify right side
    7,421,298.99x = 34,549,721,109,111.18
  5. Step 5: Solve for x
    x = 34,549,721,109,111.18/7,421,298.99
  6. Step 6: Final answer
    x = 4,655,481.63

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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.