Home / 8,224,941.50-11,330,138.43-6,997,315.22

Finding the Fourth Proportional to 8,224,941.50, 11,330,138.43 and 6,997,315.22

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Solution

The fourth proportional to 8,224,941.50, 11,330,138.43 and 6,997,315.22 is: 9,639,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224,941.50 : 11,330,138.43 = 6,997,315.22 : x
  2. Step 2: Convert to fraction form
    8,224,941.50/11,330,138.43 = 6,997,315.22/x
  3. Step 3: Cross multiply
    8,224,941.50x = 11,330,138.43 × 6,997,315.22
  4. Step 4: Simplify right side
    8,224,941.50x = 79,280,550,080,945.91
  5. Step 5: Solve for x
    x = 79,280,550,080,945.91/8,224,941.50
  6. Step 6: Final answer
    x = 9,639,041.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.