Home / 11,083,930.40-16,638,337.20-8,570,727.20

Finding the Fourth Proportional to 11,083,930.40, 16,638,337.20 and 8,570,727.20

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Solution

The fourth proportional to 11,083,930.40, 16,638,337.20 and 8,570,727.20 is: 12,865,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083,930.40 : 16,638,337.20 = 8,570,727.20 : x
  2. Step 2: Convert to fraction form
    11,083,930.40/16,638,337.20 = 8,570,727.20/x
  3. Step 3: Cross multiply
    11,083,930.40x = 16,638,337.20 × 8,570,727.20
  4. Step 4: Simplify right side
    11,083,930.40x = 142,602,649,202,811.81
  5. Step 5: Solve for x
    x = 142,602,649,202,811.81/11,083,930.40
  6. Step 6: Final answer
    x = 12,865,711.35

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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.