Home / 15,110,971.20-22,669,221.60-6,136,430.40

Finding the Fourth Proportional to 15,110,971.20, 22,669,221.60 and 6,136,430.40

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Solution

The fourth proportional to 15,110,971.20, 22,669,221.60 and 6,136,430.40 is: 9,205,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,971.20 : 22,669,221.60 = 6,136,430.40 : x
  2. Step 2: Convert to fraction form
    15,110,971.20/22,669,221.60 = 6,136,430.40/x
  3. Step 3: Cross multiply
    15,110,971.20x = 22,669,221.60 × 6,136,430.40
  4. Step 4: Simplify right side
    15,110,971.20x = 139,108,100,570,576.66
  5. Step 5: Solve for x
    x = 139,108,100,570,576.66/15,110,971.20
  6. Step 6: Final answer
    x = 9,205,768.36

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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.