Home / 13,656,809.70-20,482,590.15-4,072,500.90

Finding the Fourth Proportional to 13,656,809.70, 20,482,590.15 and 4,072,500.90

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Solution

The fourth proportional to 13,656,809.70, 20,482,590.15 and 4,072,500.90 is: 6,107,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,809.70 : 20,482,590.15 = 4,072,500.90 : x
  2. Step 2: Convert to fraction form
    13,656,809.70/20,482,590.15 = 4,072,500.90/x
  3. Step 3: Cross multiply
    13,656,809.70x = 20,482,590.15 × 4,072,500.90
  4. Step 4: Simplify right side
    13,656,809.70x = 83,415,366,820,206.12
  5. Step 5: Solve for x
    x = 83,415,366,820,206.12/13,656,809.70
  6. Step 6: Final answer
    x = 6,107,968.75

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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.