Home / 11,121,496.90-16,688,466.15-4,730,661.70

Finding the Fourth Proportional to 11,121,496.90, 16,688,466.15 and 4,730,661.70

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Solution

The fourth proportional to 11,121,496.90, 16,688,466.15 and 4,730,661.70 is: 7,098,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,496.90 : 16,688,466.15 = 4,730,661.70 : x
  2. Step 2: Convert to fraction form
    11,121,496.90/16,688,466.15 = 4,730,661.70/x
  3. Step 3: Cross multiply
    11,121,496.90x = 16,688,466.15 × 4,730,661.70
  4. Step 4: Simplify right side
    11,121,496.90x = 78,947,487,647,551.45
  5. Step 5: Solve for x
    x = 78,947,487,647,551.45/11,121,496.90
  6. Step 6: Final answer
    x = 7,098,638.64

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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.