Home / 18,670,175.20-27,994,203.60-9,712,223.20

Finding the Fourth Proportional to 18,670,175.20, 27,994,203.60 and 9,712,223.20

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Solution

The fourth proportional to 18,670,175.20, 27,994,203.60 and 9,712,223.20 is: 14,562,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,175.20 : 27,994,203.60 = 9,712,223.20 : x
  2. Step 2: Convert to fraction form
    18,670,175.20/27,994,203.60 = 9,712,223.20/x
  3. Step 3: Cross multiply
    18,670,175.20x = 27,994,203.60 × 9,712,223.20
  4. Step 4: Simplify right side
    18,670,175.20x = 271,885,953,669,443.50
  5. Step 5: Solve for x
    x = 271,885,953,669,443.50/18,670,175.20
  6. Step 6: Final answer
    x = 14,562,581.81

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1.5x scale

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.