Home / 8,311,018.40-12,477,025.20-4,475,895.20

Finding the Fourth Proportional to 8,311,018.40, 12,477,025.20 and 4,475,895.20

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Solution

The fourth proportional to 8,311,018.40, 12,477,025.20 and 4,475,895.20 is: 6,719,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,018.40 : 12,477,025.20 = 4,475,895.20 : x
  2. Step 2: Convert to fraction form
    8,311,018.40/12,477,025.20 = 4,475,895.20/x
  3. Step 3: Cross multiply
    8,311,018.40x = 12,477,025.20 × 4,475,895.20
  4. Step 4: Simplify right side
    8,311,018.40x = 55,845,857,202,959.04
  5. Step 5: Solve for x
    x = 55,845,857,202,959.04/8,311,018.40
  6. Step 6: Final answer
    x = 6,719,496.28

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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.