Home / 14,114,338.52-21,172,770.70-5,478,236.50

Finding the Fourth Proportional to 14,114,338.52, 21,172,770.70 and 5,478,236.50

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Solution

The fourth proportional to 14,114,338.52, 21,172,770.70 and 5,478,236.50 is: 8,217,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114,338.52 : 21,172,770.70 = 5,478,236.50 : x
  2. Step 2: Convert to fraction form
    14,114,338.52/21,172,770.70 = 5,478,236.50/x
  3. Step 3: Cross multiply
    14,114,338.52x = 21,172,770.70 × 5,478,236.50
  4. Step 4: Simplify right side
    14,114,338.52x = 115,989,445,254,870.55
  5. Step 5: Solve for x
    x = 115,989,445,254,870.55/14,114,338.52
  6. Step 6: Final answer
    x = 8,217,844.93

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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.