Home / 14,808,057.15-20,436,153.86-8,282,289.72

Finding the Fourth Proportional to 14,808,057.15, 20,436,153.86 and 8,282,289.72

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Solution

The fourth proportional to 14,808,057.15, 20,436,153.86 and 8,282,289.72 is: 11,430,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808,057.15 : 20,436,153.86 = 8,282,289.72 : x
  2. Step 2: Convert to fraction form
    14,808,057.15/20,436,153.86 = 8,282,289.72/x
  3. Step 3: Cross multiply
    14,808,057.15x = 20,436,153.86 × 8,282,289.72
  4. Step 4: Simplify right side
    14,808,057.15x = 169,258,146,920,992.88
  5. Step 5: Solve for x
    x = 169,258,146,920,992.88/14,808,057.15
  6. Step 6: Final answer
    x = 11,430,138.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.