Home / 18,705,943.80-28,079,910.90-14,464,913.40

Finding the Fourth Proportional to 18,705,943.80, 28,079,910.90 and 14,464,913.40

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Solution

The fourth proportional to 18,705,943.80, 28,079,910.90 and 14,464,913.40 is: 21,713,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,943.80 : 28,079,910.90 = 14,464,913.40 : x
  2. Step 2: Convert to fraction form
    18,705,943.80/28,079,910.90 = 14,464,913.40/x
  3. Step 3: Cross multiply
    18,705,943.80x = 28,079,910.90 × 14,464,913.40
  4. Step 4: Simplify right side
    18,705,943.80x = 406,173,479,448,216.06
  5. Step 5: Solve for x
    x = 406,173,479,448,216.06/18,705,943.80
  6. Step 6: Final answer
    x = 21,713,605.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.