Home / 12,562,846.64-18,860,408.28-9,686,040.82

Finding the Fourth Proportional to 12,562,846.64, 18,860,408.28 and 9,686,040.82

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Solution

The fourth proportional to 12,562,846.64, 18,860,408.28 and 9,686,040.82 is: 14,541,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,846.64 : 18,860,408.28 = 9,686,040.82 : x
  2. Step 2: Convert to fraction form
    12,562,846.64/18,860,408.28 = 9,686,040.82/x
  3. Step 3: Cross multiply
    12,562,846.64x = 18,860,408.28 × 9,686,040.82
  4. Step 4: Simplify right side
    12,562,846.64x = 182,682,684,423,966.59
  5. Step 5: Solve for x
    x = 182,682,684,423,966.59/12,562,846.64
  6. Step 6: Final answer
    x = 14,541,503.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.