Home / 10,138,533.84-13,991,115.92-5,492,406.60

Finding the Fourth Proportional to 10,138,533.84, 13,991,115.92 and 5,492,406.60

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Solution

The fourth proportional to 10,138,533.84, 13,991,115.92 and 5,492,406.60 is: 7,579,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,533.84 : 13,991,115.92 = 5,492,406.60 : x
  2. Step 2: Convert to fraction form
    10,138,533.84/13,991,115.92 = 5,492,406.60/x
  3. Step 3: Cross multiply
    10,138,533.84x = 13,991,115.92 × 5,492,406.60
  4. Step 4: Simplify right side
    10,138,533.84x = 76,844,897,392,911.03
  5. Step 5: Solve for x
    x = 76,844,897,392,911.03/10,138,533.84
  6. Step 6: Final answer
    x = 7,579,488.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.