Home / 20,802,828.80-31,143,417.60-14,830,860.80

Finding the Fourth Proportional to 20,802,828.80, 31,143,417.60 and 14,830,860.80

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Solution

The fourth proportional to 20,802,828.80, 31,143,417.60 and 14,830,860.80 is: 22,202,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,828.80 : 31,143,417.60 = 14,830,860.80 : x
  2. Step 2: Convert to fraction form
    20,802,828.80/31,143,417.60 = 14,830,860.80/x
  3. Step 3: Cross multiply
    20,802,828.80x = 31,143,417.60 × 14,830,860.80
  4. Step 4: Simplify right side
    20,802,828.80x = 461,883,691,261,870.12
  5. Step 5: Solve for x
    x = 461,883,691,261,870.12/20,802,828.80
  6. Step 6: Final answer
    x = 22,202,927.10

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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.