Home / 7,842,493.40-11,763,740.10-2,085,215.90

Finding the Fourth Proportional to 7,842,493.40, 11,763,740.10 and 2,085,215.90

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Solution

The fourth proportional to 7,842,493.40, 11,763,740.10 and 2,085,215.90 is: 3,127,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842,493.40 : 11,763,740.10 = 2,085,215.90 : x
  2. Step 2: Convert to fraction form
    7,842,493.40/11,763,740.10 = 2,085,215.90/x
  3. Step 3: Cross multiply
    7,842,493.40x = 11,763,740.10 × 2,085,215.90
  4. Step 4: Simplify right side
    7,842,493.40x = 24,529,937,899,987.59
  5. Step 5: Solve for x
    x = 24,529,937,899,987.59/7,842,493.40
  6. Step 6: Final answer
    x = 3,127,823.85

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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.