Home / 27,257,083.20-40,885,624.80-20,454,638.40

Finding the Fourth Proportional to 27,257,083.20, 40,885,624.80 and 20,454,638.40

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Solution

The fourth proportional to 27,257,083.20, 40,885,624.80 and 20,454,638.40 is: 30,681,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257,083.20 : 40,885,624.80 = 20,454,638.40 : x
  2. Step 2: Convert to fraction form
    27,257,083.20/40,885,624.80 = 20,454,638.40/x
  3. Step 3: Cross multiply
    27,257,083.20x = 40,885,624.80 × 20,454,638.40
  4. Step 4: Simplify right side
    27,257,083.20x = 836,300,671,042,072.25
  5. Step 5: Solve for x
    x = 836,300,671,042,072.25/27,257,083.20
  6. Step 6: Final answer
    x = 30,681,957.60

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1.5x scale

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.