Home / 14,282,991.70-21,426,455.85-5,182,884.70

Finding the Fourth Proportional to 14,282,991.70, 21,426,455.85 and 5,182,884.70

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Solution

The fourth proportional to 14,282,991.70, 21,426,455.85 and 5,182,884.70 is: 7,775,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282,991.70 : 21,426,455.85 = 5,182,884.70 : x
  2. Step 2: Convert to fraction form
    14,282,991.70/21,426,455.85 = 5,182,884.70/x
  3. Step 3: Cross multiply
    14,282,991.70x = 21,426,455.85 × 5,182,884.70
  4. Step 4: Simplify right side
    14,282,991.70x = 111,050,850,200,190.50
  5. Step 5: Solve for x
    x = 111,050,850,200,190.50/14,282,991.70
  6. Step 6: Final answer
    x = 7,775,041.29

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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.