Home / 8,645,195.80-11,930,047.50-4,974,679.18

Finding the Fourth Proportional to 8,645,195.80, 11,930,047.50 and 4,974,679.18

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Solution

The fourth proportional to 8,645,195.80, 11,930,047.50 and 4,974,679.18 is: 6,864,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645,195.80 : 11,930,047.50 = 4,974,679.18 : x
  2. Step 2: Convert to fraction form
    8,645,195.80/11,930,047.50 = 4,974,679.18/x
  3. Step 3: Cross multiply
    8,645,195.80x = 11,930,047.50 × 4,974,679.18
  4. Step 4: Simplify right side
    8,645,195.80x = 59,348,158,914,661.05
  5. Step 5: Solve for x
    x = 59,348,158,914,661.05/8,645,195.80
  6. Step 6: Final answer
    x = 6,864,871.58

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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.