Home / 12,123,462.10-16,730,140.55-6,616,876.42

Finding the Fourth Proportional to 12,123,462.10, 16,730,140.55 and 6,616,876.42

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Solution

The fourth proportional to 12,123,462.10, 16,730,140.55 and 6,616,876.42 is: 9,131,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,462.10 : 16,730,140.55 = 6,616,876.42 : x
  2. Step 2: Convert to fraction form
    12,123,462.10/16,730,140.55 = 6,616,876.42/x
  3. Step 3: Cross multiply
    12,123,462.10x = 16,730,140.55 × 6,616,876.42
  4. Step 4: Simplify right side
    12,123,462.10x = 110,701,272,472,883.20
  5. Step 5: Solve for x
    x = 110,701,272,472,883.20/12,123,462.10
  6. Step 6: Final answer
    x = 9,131,160.03

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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.