Home / 15,618,098.79-21,552,706.13-8,648,638.20

Finding the Fourth Proportional to 15,618,098.79, 21,552,706.13 and 8,648,638.20

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Solution

The fourth proportional to 15,618,098.79, 21,552,706.13 and 8,648,638.20 is: 11,934,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618,098.79 : 21,552,706.13 = 8,648,638.20 : x
  2. Step 2: Convert to fraction form
    15,618,098.79/21,552,706.13 = 8,648,638.20/x
  3. Step 3: Cross multiply
    15,618,098.79x = 21,552,706.13 × 8,648,638.20
  4. Step 4: Simplify right side
    15,618,098.79x = 186,401,557,506,048.97
  5. Step 5: Solve for x
    x = 186,401,557,506,048.97/15,618,098.79
  6. Step 6: Final answer
    x = 11,934,971.09

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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.