Home / 28,704,842.40-43,057,263.60-14,372,119.20

Finding the Fourth Proportional to 28,704,842.40, 43,057,263.60 and 14,372,119.20

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Solution

The fourth proportional to 28,704,842.40, 43,057,263.60 and 14,372,119.20 is: 21,558,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704,842.40 : 43,057,263.60 = 14,372,119.20 : x
  2. Step 2: Convert to fraction form
    28,704,842.40/43,057,263.60 = 14,372,119.20/x
  3. Step 3: Cross multiply
    28,704,842.40x = 43,057,263.60 × 14,372,119.20
  4. Step 4: Simplify right side
    28,704,842.40x = 618,824,124,885,021.12
  5. Step 5: Solve for x
    x = 618,824,124,885,021.12/28,704,842.40
  6. Step 6: Final answer
    x = 21,558,178.80

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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.