Home / 18,814,829.88-25,975,596.81-11,851,476.23

Finding the Fourth Proportional to 18,814,829.88, 25,975,596.81 and 11,851,476.23

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Solution

The fourth proportional to 18,814,829.88, 25,975,596.81 and 11,851,476.23 is: 16,362,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814,829.88 : 25,975,596.81 = 11,851,476.23 : x
  2. Step 2: Convert to fraction form
    18,814,829.88/25,975,596.81 = 11,851,476.23/x
  3. Step 3: Cross multiply
    18,814,829.88x = 25,975,596.81 × 11,851,476.23
  4. Step 4: Simplify right side
    18,814,829.88x = 307,849,168,023,900.81
  5. Step 5: Solve for x
    x = 307,849,168,023,900.81/18,814,829.88
  6. Step 6: Final answer
    x = 16,362,048.98

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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.