Home / 18,821,637.70-28,232,456.55-14,564,860.90

Finding the Fourth Proportional to 18,821,637.70, 28,232,456.55 and 14,564,860.90

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Solution

The fourth proportional to 18,821,637.70, 28,232,456.55 and 14,564,860.90 is: 21,847,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,637.70 : 28,232,456.55 = 14,564,860.90 : x
  2. Step 2: Convert to fraction form
    18,821,637.70/28,232,456.55 = 14,564,860.90/x
  3. Step 3: Cross multiply
    18,821,637.70x = 28,232,456.55 × 14,564,860.90
  4. Step 4: Simplify right side
    18,821,637.70x = 411,201,802,516,043.94
  5. Step 5: Solve for x
    x = 411,201,802,516,043.94/18,821,637.70
  6. Step 6: Final answer
    x = 21,847,291.35

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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.