Home / 20,864,066.40-31,254,109.20-14,481,525.60

Finding the Fourth Proportional to 20,864,066.40, 31,254,109.20 and 14,481,525.60

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Solution

The fourth proportional to 20,864,066.40, 31,254,109.20 and 14,481,525.60 is: 21,693,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,066.40 : 31,254,109.20 = 14,481,525.60 : x
  2. Step 2: Convert to fraction form
    20,864,066.40/31,254,109.20 = 14,481,525.60/x
  3. Step 3: Cross multiply
    20,864,066.40x = 31,254,109.20 × 14,481,525.60
  4. Step 4: Simplify right side
    20,864,066.40x = 452,607,182,484,995.50
  5. Step 5: Solve for x
    x = 452,607,182,484,995.50/20,864,066.40
  6. Step 6: Final answer
    x = 21,693,143.31

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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.