Home / 19,872,118.80-27,426,428.04-11,171,008.08

Finding the Fourth Proportional to 19,872,118.80, 27,426,428.04 and 11,171,008.08

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Solution

The fourth proportional to 19,872,118.80, 27,426,428.04 and 11,171,008.08 is: 15,417,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,118.80 : 27,426,428.04 = 11,171,008.08 : x
  2. Step 2: Convert to fraction form
    19,872,118.80/27,426,428.04 = 11,171,008.08/x
  3. Step 3: Cross multiply
    19,872,118.80x = 27,426,428.04 × 11,171,008.08
  4. Step 4: Simplify right side
    19,872,118.80x = 306,380,849,240,378.56
  5. Step 5: Solve for x
    x = 306,380,849,240,378.56/19,872,118.80
  6. Step 6: Final answer
    x = 15,417,623.67

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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.