Home / 12,144,913.02-16,759,521.90-6,638,241.42

Finding the Fourth Proportional to 12,144,913.02, 16,759,521.90 and 6,638,241.42

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Solution

The fourth proportional to 12,144,913.02, 16,759,521.90 and 6,638,241.42 is: 9,160,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,913.02 : 16,759,521.90 = 6,638,241.42 : x
  2. Step 2: Convert to fraction form
    12,144,913.02/16,759,521.90 = 6,638,241.42/x
  3. Step 3: Cross multiply
    12,144,913.02x = 16,759,521.90 × 6,638,241.42
  4. Step 4: Simplify right side
    12,144,913.02x = 111,253,752,455,977.09
  5. Step 5: Solve for x
    x = 111,253,752,455,977.09/12,144,913.02
  6. Step 6: Final answer
    x = 9,160,522.79

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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.