Home / 12,291,607.80-18,437,411.70-5,914,315.80

Finding the Fourth Proportional to 12,291,607.80, 18,437,411.70 and 5,914,315.80

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Solution

The fourth proportional to 12,291,607.80, 18,437,411.70 and 5,914,315.80 is: 8,871,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,607.80 : 18,437,411.70 = 5,914,315.80 : x
  2. Step 2: Convert to fraction form
    12,291,607.80/18,437,411.70 = 5,914,315.80/x
  3. Step 3: Cross multiply
    12,291,607.80x = 18,437,411.70 × 5,914,315.80
  4. Step 4: Simplify right side
    12,291,607.80x = 109,044,675,328,414.86
  5. Step 5: Solve for x
    x = 109,044,675,328,414.86/12,291,607.80
  6. Step 6: Final answer
    x = 8,871,473.70

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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.