Home / 18,682,280.40-28,023,420.60-8,584,901.40

Finding the Fourth Proportional to 18,682,280.40, 28,023,420.60 and 8,584,901.40

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Solution

The fourth proportional to 18,682,280.40, 28,023,420.60 and 8,584,901.40 is: 12,877,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,280.40 : 28,023,420.60 = 8,584,901.40 : x
  2. Step 2: Convert to fraction form
    18,682,280.40/28,023,420.60 = 8,584,901.40/x
  3. Step 3: Cross multiply
    18,682,280.40x = 28,023,420.60 × 8,584,901.40
  4. Step 4: Simplify right side
    18,682,280.40x = 240,578,302,741,728.88
  5. Step 5: Solve for x
    x = 240,578,302,741,728.88/18,682,280.40
  6. Step 6: Final answer
    x = 12,877,352.10

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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.