Home / 7,490,428.80-11,216,635.20-4,120,828.80

Finding the Fourth Proportional to 7,490,428.80, 11,216,635.20 and 4,120,828.80

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Solution

The fourth proportional to 7,490,428.80, 11,216,635.20 and 4,120,828.80 is: 6,170,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,428.80 : 11,216,635.20 = 4,120,828.80 : x
  2. Step 2: Convert to fraction form
    7,490,428.80/11,216,635.20 = 4,120,828.80/x
  3. Step 3: Cross multiply
    7,490,428.80x = 11,216,635.20 × 4,120,828.80
  4. Step 4: Simplify right side
    7,490,428.80x = 46,221,833,371,253.76
  5. Step 5: Solve for x
    x = 46,221,833,371,253.76/7,490,428.80
  6. Step 6: Final answer
    x = 6,170,786.03

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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.