Home / 21,004,769.04-31,507,158.90-6,628,961.94

Finding the Fourth Proportional to 21,004,769.04, 31,507,158.90 and 6,628,961.94

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Solution

The fourth proportional to 21,004,769.04, 31,507,158.90 and 6,628,961.94 is: 9,943,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,769.04 : 31,507,158.90 = 6,628,961.94 : x
  2. Step 2: Convert to fraction form
    21,004,769.04/31,507,158.90 = 6,628,961.94/x
  3. Step 3: Cross multiply
    21,004,769.04x = 31,507,158.90 × 6,628,961.94
  4. Step 4: Simplify right side
    21,004,769.04x = 208,859,757,185,632.28
  5. Step 5: Solve for x
    x = 208,859,757,185,632.28/21,004,769.04
  6. Step 6: Final answer
    x = 9,943,444.60

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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.