Home / 7,709,969.49-10,639,172.66-4,272,136.71

Finding the Fourth Proportional to 7,709,969.49, 10,639,172.66 and 4,272,136.71

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Solution

The fourth proportional to 7,709,969.49, 10,639,172.66 and 4,272,136.71 is: 5,895,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709,969.49 : 10,639,172.66 = 4,272,136.71 : x
  2. Step 2: Convert to fraction form
    7,709,969.49/10,639,172.66 = 4,272,136.71/x
  3. Step 3: Cross multiply
    7,709,969.49x = 10,639,172.66 × 4,272,136.71
  4. Step 4: Simplify right side
    7,709,969.49x = 45,452,000,063,453.66
  5. Step 5: Solve for x
    x = 45,452,000,063,453.66/7,709,969.49
  6. Step 6: Final answer
    x = 5,895,224.37

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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.