Home / 10,466,540.16-15,683,784-7,042,141.44

Finding the Fourth Proportional to 10,466,540.16, 15,683,784 and 7,042,141.44

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Solution

The fourth proportional to 10,466,540.16, 15,683,784 and 7,042,141.44 is: 10,552,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466,540.16 : 15,683,784 = 7,042,141.44 : x
  2. Step 2: Convert to fraction form
    10,466,540.16/15,683,784 = 7,042,141.44/x
  3. Step 3: Cross multiply
    10,466,540.16x = 15,683,784 × 7,042,141.44
  4. Step 4: Simplify right side
    10,466,540.16x = 110,447,425,242,408.97
  5. Step 5: Solve for x
    x = 110,447,425,242,408.97/10,466,540.16
  6. Step 6: Final answer
    x = 10,552,429.32

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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.