Home / 14,387,653.80-21,581,480.70-11,028,421.80

Finding the Fourth Proportional to 14,387,653.80, 21,581,480.70 and 11,028,421.80

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Solution

The fourth proportional to 14,387,653.80, 21,581,480.70 and 11,028,421.80 is: 16,542,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,653.80 : 21,581,480.70 = 11,028,421.80 : x
  2. Step 2: Convert to fraction form
    14,387,653.80/21,581,480.70 = 11,028,421.80/x
  3. Step 3: Cross multiply
    14,387,653.80x = 21,581,480.70 × 11,028,421.80
  4. Step 4: Simplify right side
    14,387,653.80x = 238,009,672,228,159.28
  5. Step 5: Solve for x
    x = 238,009,672,228,159.28/14,387,653.80
  6. Step 6: Final answer
    x = 16,542,632.70

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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.