Home / 10,903,280.40-16,354,920.60-8,777,516.40

Finding the Fourth Proportional to 10,903,280.40, 16,354,920.60 and 8,777,516.40

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Solution

The fourth proportional to 10,903,280.40, 16,354,920.60 and 8,777,516.40 is: 13,166,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903,280.40 : 16,354,920.60 = 8,777,516.40 : x
  2. Step 2: Convert to fraction form
    10,903,280.40/16,354,920.60 = 8,777,516.40/x
  3. Step 3: Cross multiply
    10,903,280.40x = 16,354,920.60 × 8,777,516.40
  4. Step 4: Simplify right side
    10,903,280.40x = 143,555,583,787,197.84
  5. Step 5: Solve for x
    x = 143,555,583,787,197.84/10,903,280.40
  6. Step 6: Final answer
    x = 13,166,274.60

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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.