Home / 12,372,785.10-18,559,177.65-8,341,706.70

Finding the Fourth Proportional to 12,372,785.10, 18,559,177.65 and 8,341,706.70

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Solution

The fourth proportional to 12,372,785.10, 18,559,177.65 and 8,341,706.70 is: 12,512,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,785.10 : 18,559,177.65 = 8,341,706.70 : x
  2. Step 2: Convert to fraction form
    12,372,785.10/18,559,177.65 = 8,341,706.70/x
  3. Step 3: Cross multiply
    12,372,785.10x = 18,559,177.65 × 8,341,706.70
  4. Step 4: Simplify right side
    12,372,785.10x = 154,815,216,549,495.25
  5. Step 5: Solve for x
    x = 154,815,216,549,495.25/12,372,785.10
  6. Step 6: Final answer
    x = 12,512,560.05

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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.