Home / 12,248,677.80-18,373,016.70-5,871,385.80

Finding the Fourth Proportional to 12,248,677.80, 18,373,016.70 and 5,871,385.80

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Solution

The fourth proportional to 12,248,677.80, 18,373,016.70 and 5,871,385.80 is: 8,807,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,677.80 : 18,373,016.70 = 5,871,385.80 : x
  2. Step 2: Convert to fraction form
    12,248,677.80/18,373,016.70 = 5,871,385.80/x
  3. Step 3: Cross multiply
    12,248,677.80x = 18,373,016.70 × 5,871,385.80
  4. Step 4: Simplify right side
    12,248,677.80x = 107,875,069,355,542.86
  5. Step 5: Solve for x
    x = 107,875,069,355,542.86/12,248,677.80
  6. Step 6: Final answer
    x = 8,807,078.70

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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.