Home / 8,871,251.80-13,306,877.70-3,191,661.40

Finding the Fourth Proportional to 8,871,251.80, 13,306,877.70 and 3,191,661.40

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Solution

The fourth proportional to 8,871,251.80, 13,306,877.70 and 3,191,661.40 is: 4,787,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,251.80 : 13,306,877.70 = 3,191,661.40 : x
  2. Step 2: Convert to fraction form
    8,871,251.80/13,306,877.70 = 3,191,661.40/x
  3. Step 3: Cross multiply
    8,871,251.80x = 13,306,877.70 × 3,191,661.40
  4. Step 4: Simplify right side
    8,871,251.80x = 42,471,047,909,610.77
  5. Step 5: Solve for x
    x = 42,471,047,909,610.77/8,871,251.80
  6. Step 6: Final answer
    x = 4,787,492.10

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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.