Home / 13,619,571.90-18,795,136.02-7,508,219.10

Finding the Fourth Proportional to 13,619,571.90, 18,795,136.02 and 7,508,219.10

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Solution

The fourth proportional to 13,619,571.90, 18,795,136.02 and 7,508,219.10 is: 10,361,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,571.90 : 18,795,136.02 = 7,508,219.10 : x
  2. Step 2: Convert to fraction form
    13,619,571.90/18,795,136.02 = 7,508,219.10/x
  3. Step 3: Cross multiply
    13,619,571.90x = 18,795,136.02 × 7,508,219.10
  4. Step 4: Simplify right side
    13,619,571.90x = 141,117,999,252,461.97
  5. Step 5: Solve for x
    x = 141,117,999,252,461.97/13,619,571.90
  6. Step 6: Final answer
    x = 10,361,412.26

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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.