Home / 14,038,387.20-21,057,580.80-13,825,810.80

Finding the Fourth Proportional to 14,038,387.20, 21,057,580.80 and 13,825,810.80

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Solution

The fourth proportional to 14,038,387.20, 21,057,580.80 and 13,825,810.80 is: 20,738,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038,387.20 : 21,057,580.80 = 13,825,810.80 : x
  2. Step 2: Convert to fraction form
    14,038,387.20/21,057,580.80 = 13,825,810.80/x
  3. Step 3: Cross multiply
    14,038,387.20x = 21,057,580.80 × 13,825,810.80
  4. Step 4: Simplify right side
    14,038,387.20x = 291,138,128,046,512.69
  5. Step 5: Solve for x
    x = 291,138,128,046,512.69/14,038,387.20
  6. Step 6: Final answer
    x = 20,738,716.20

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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.