Home / 10,418,551.50-15,621,769.73-3,942,126.32

Finding the Fourth Proportional to 10,418,551.50, 15,621,769.73 and 3,942,126.32

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Solution

The fourth proportional to 10,418,551.50, 15,621,769.73 and 3,942,126.32 is: 5,910,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418,551.50 : 15,621,769.73 = 3,942,126.32 : x
  2. Step 2: Convert to fraction form
    10,418,551.50/15,621,769.73 = 3,942,126.32/x
  3. Step 3: Cross multiply
    10,418,551.50x = 15,621,769.73 × 3,942,126.32
  4. Step 4: Simplify right side
    10,418,551.50x = 61,582,989,519,792.81
  5. Step 5: Solve for x
    x = 61,582,989,519,792.81/10,418,551.50
  6. Step 6: Final answer
    x = 5,910,897.45

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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.