Home / 10,424,438.92-15,643,722.71-4,277,531.86

Finding the Fourth Proportional to 10,424,438.92, 15,643,722.71 and 4,277,531.86

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Solution

The fourth proportional to 10,424,438.92, 15,643,722.71 and 4,277,531.86 is: 6,419,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424,438.92 : 15,643,722.71 = 4,277,531.86 : x
  2. Step 2: Convert to fraction form
    10,424,438.92/15,643,722.71 = 4,277,531.86/x
  3. Step 3: Cross multiply
    10,424,438.92x = 15,643,722.71 × 4,277,531.86
  4. Step 4: Simplify right side
    10,424,438.92x = 66,916,522,301,030.55
  5. Step 5: Solve for x
    x = 66,916,522,301,030.55/10,424,438.92
  6. Step 6: Final answer
    x = 6,419,196.55

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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.