Home / 10,802,428.70-16,203,643.05-10,015,108.70

Finding the Fourth Proportional to 10,802,428.70, 16,203,643.05 and 10,015,108.70

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Solution

The fourth proportional to 10,802,428.70, 16,203,643.05 and 10,015,108.70 is: 15,022,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802,428.70 : 16,203,643.05 = 10,015,108.70 : x
  2. Step 2: Convert to fraction form
    10,802,428.70/16,203,643.05 = 10,015,108.70/x
  3. Step 3: Cross multiply
    10,802,428.70x = 16,203,643.05 × 10,015,108.70
  4. Step 4: Simplify right side
    10,802,428.70x = 162,281,246,481,749.53
  5. Step 5: Solve for x
    x = 162,281,246,481,749.53/10,802,428.70
  6. Step 6: Final answer
    x = 15,022,663.05

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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.