Home / 20,783,397.10-31,180,221.33-7,136,746.75

Finding the Fourth Proportional to 20,783,397.10, 31,180,221.33 and 7,136,746.75

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Solution

The fourth proportional to 20,783,397.10, 31,180,221.33 and 7,136,746.75 is: 10,706,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,783,397.10 : 31,180,221.33 = 7,136,746.75 : x
  2. Step 2: Convert to fraction form
    20,783,397.10/31,180,221.33 = 7,136,746.75/x
  3. Step 3: Cross multiply
    20,783,397.10x = 31,180,221.33 × 7,136,746.75
  4. Step 4: Simplify right side
    20,783,397.10x = 222,525,343,241,158.16
  5. Step 5: Solve for x
    x = 222,525,343,241,158.16/20,783,397.10
  6. Step 6: Final answer
    x = 10,706,880.22

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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.