Home / 13,057,433.88-18,000,267.34-9,124,981.09

Finding the Fourth Proportional to 13,057,433.88, 18,000,267.34 and 9,124,981.09

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Solution

The fourth proportional to 13,057,433.88, 18,000,267.34 and 9,124,981.09 is: 12,579,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,433.88 : 18,000,267.34 = 9,124,981.09 : x
  2. Step 2: Convert to fraction form
    13,057,433.88/18,000,267.34 = 9,124,981.09/x
  3. Step 3: Cross multiply
    13,057,433.88x = 18,000,267.34 × 9,124,981.09
  4. Step 4: Simplify right side
    13,057,433.88x = 164,252,099,092,444.59
  5. Step 5: Solve for x
    x = 164,252,099,092,444.59/13,057,433.88
  6. Step 6: Final answer
    x = 12,579,202.05

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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.