Home / 15,526,574.81-21,426,761-9,004,076.94

Finding the Fourth Proportional to 15,526,574.81, 21,426,761 and 9,004,076.94

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Solution

The fourth proportional to 15,526,574.81, 21,426,761 and 9,004,076.94 is: 12,425,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,574.81 : 21,426,761 = 9,004,076.94 : x
  2. Step 2: Convert to fraction form
    15,526,574.81/21,426,761 = 9,004,076.94/x
  3. Step 3: Cross multiply
    15,526,574.81x = 21,426,761 × 9,004,076.94
  4. Step 4: Simplify right side
    15,526,574.81x = 192,928,204,618,991.34
  5. Step 5: Solve for x
    x = 192,928,204,618,991.34/15,526,574.81
  6. Step 6: Final answer
    x = 12,425,677.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.