Home / 20,864,068.40-31,254,112.20-14,481,527.60

Finding the Fourth Proportional to 20,864,068.40, 31,254,112.20 and 14,481,527.60

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Solution

The fourth proportional to 20,864,068.40, 31,254,112.20 and 14,481,527.60 is: 21,693,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,068.40 : 31,254,112.20 = 14,481,527.60 : x
  2. Step 2: Convert to fraction form
    20,864,068.40/31,254,112.20 = 14,481,527.60/x
  3. Step 3: Cross multiply
    20,864,068.40x = 31,254,112.20 × 14,481,527.60
  4. Step 4: Simplify right side
    20,864,068.40x = 452,607,288,437,796.69
  5. Step 5: Solve for x
    x = 452,607,288,437,796.69/20,864,068.40
  6. Step 6: Final answer
    x = 21,693,146.31

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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.