Home / 12,080,916.79-16,671,667.81-6,648,408.79

Finding the Fourth Proportional to 12,080,916.79, 16,671,667.81 and 6,648,408.79

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Solution

The fourth proportional to 12,080,916.79, 16,671,667.81 and 6,648,408.79 is: 9,174,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,916.79 : 16,671,667.81 = 6,648,408.79 : x
  2. Step 2: Convert to fraction form
    12,080,916.79/16,671,667.81 = 6,648,408.79/x
  3. Step 3: Cross multiply
    12,080,916.79x = 16,671,667.81 × 6,648,408.79
  4. Step 4: Simplify right side
    12,080,916.79x = 110,840,062,766,129.61
  5. Step 5: Solve for x
    x = 110,840,062,766,129.61/12,080,916.79
  6. Step 6: Final answer
    x = 9,174,805.58

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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.