Home / 7,683,645.78-10,602,172.31-4,543,473.87

Finding the Fourth Proportional to 7,683,645.78, 10,602,172.31 and 4,543,473.87

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Solution

The fourth proportional to 7,683,645.78, 10,602,172.31 and 4,543,473.87 is: 6,269,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683,645.78 : 10,602,172.31 = 4,543,473.87 : x
  2. Step 2: Convert to fraction form
    7,683,645.78/10,602,172.31 = 4,543,473.87/x
  3. Step 3: Cross multiply
    7,683,645.78x = 10,602,172.31 × 4,543,473.87
  4. Step 4: Simplify right side
    7,683,645.78x = 48,170,692,833,005.17
  5. Step 5: Solve for x
    x = 48,170,692,833,005.17/7,683,645.78
  6. Step 6: Final answer
    x = 6,269,249.55

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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.