Home / 14,258,020.40-21,384,406.20-8,857,005.20

Finding the Fourth Proportional to 14,258,020.40, 21,384,406.20 and 8,857,005.20

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Solution

The fourth proportional to 14,258,020.40, 21,384,406.20 and 8,857,005.20 is: 13,283,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,020.40 : 21,384,406.20 = 8,857,005.20 : x
  2. Step 2: Convert to fraction form
    14,258,020.40/21,384,406.20 = 8,857,005.20/x
  3. Step 3: Cross multiply
    14,258,020.40x = 21,384,406.20 × 8,857,005.20
  4. Step 4: Simplify right side
    14,258,020.40x = 189,401,796,912,312.22
  5. Step 5: Solve for x
    x = 189,401,796,912,312.22/14,258,020.40
  6. Step 6: Final answer
    x = 13,283,877.54

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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.