Home / 22,004,970.40-33,007,455.60-21,071,996.20

Finding the Fourth Proportional to 22,004,970.40, 33,007,455.60 and 21,071,996.20

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Solution

The fourth proportional to 22,004,970.40, 33,007,455.60 and 21,071,996.20 is: 31,607,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004,970.40 : 33,007,455.60 = 21,071,996.20 : x
  2. Step 2: Convert to fraction form
    22,004,970.40/33,007,455.60 = 21,071,996.20/x
  3. Step 3: Cross multiply
    22,004,970.40x = 33,007,455.60 × 21,071,996.20
  4. Step 4: Simplify right side
    22,004,970.40x = 695,532,978,974,868.75
  5. Step 5: Solve for x
    x = 695,532,978,974,868.75/22,004,970.40
  6. Step 6: Final answer
    x = 31,607,994.30

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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.