Home / 11,012,003.80-16,518,005.70-7,185,628.60

Finding the Fourth Proportional to 11,012,003.80, 16,518,005.70 and 7,185,628.60

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Solution

The fourth proportional to 11,012,003.80, 16,518,005.70 and 7,185,628.60 is: 10,778,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012,003.80 : 16,518,005.70 = 7,185,628.60 : x
  2. Step 2: Convert to fraction form
    11,012,003.80/16,518,005.70 = 7,185,628.60/x
  3. Step 3: Cross multiply
    11,012,003.80x = 16,518,005.70 × 7,185,628.60
  4. Step 4: Simplify right side
    11,012,003.80x = 118,692,254,172,883.02
  5. Step 5: Solve for x
    x = 118,692,254,172,883.02/11,012,003.80
  6. Step 6: Final answer
    x = 10,778,442.90

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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.