Home / 12,123,445.66-16,730,117.90-6,616,860.00

Finding the Fourth Proportional to 12,123,445.66, 16,730,117.90 and 6,616,860.00

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Solution

The fourth proportional to 12,123,445.66, 16,730,117.90 and 6,616,860.00 is: 9,131,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,445.66 : 16,730,117.90 = 6,616,860.00 : x
  2. Step 2: Convert to fraction form
    12,123,445.66/16,730,117.90 = 6,616,860.00/x
  3. Step 3: Cross multiply
    12,123,445.66x = 16,730,117.90 × 6,616,860.00
  4. Step 4: Simplify right side
    12,123,445.66x = 110,700,847,825,186.44
  5. Step 5: Solve for x
    x = 110,700,847,825,186.44/12,123,445.66
  6. Step 6: Final answer
    x = 9,131,137.38

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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.