Home / 18,519,390.22-25,554,334.90-10,679,192.04

Finding the Fourth Proportional to 18,519,390.22, 25,554,334.90 and 10,679,192.04

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Solution

The fourth proportional to 18,519,390.22, 25,554,334.90 and 10,679,192.04 is: 14,735,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,390.22 : 25,554,334.90 = 10,679,192.04 : x
  2. Step 2: Convert to fraction form
    18,519,390.22/25,554,334.90 = 10,679,192.04/x
  3. Step 3: Cross multiply
    18,519,390.22x = 25,554,334.90 × 10,679,192.04
  4. Step 4: Simplify right side
    18,519,390.22x = 272,899,649,851,574.16
  5. Step 5: Solve for x
    x = 272,899,649,851,574.16/18,519,390.22
  6. Step 6: Final answer
    x = 14,735,887.45

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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.