Home / 21,947,849.84-30,218,931.48-18,633,588.74

Finding the Fourth Proportional to 21,947,849.84, 30,218,931.48 and 18,633,588.74

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Solution

The fourth proportional to 21,947,849.84, 30,218,931.48 and 18,633,588.74 is: 25,655,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,849.84 : 30,218,931.48 = 18,633,588.74 : x
  2. Step 2: Convert to fraction form
    21,947,849.84/30,218,931.48 = 18,633,588.74/x
  3. Step 3: Cross multiply
    21,947,849.84x = 30,218,931.48 × 18,633,588.74
  4. Step 4: Simplify right side
    21,947,849.84x = 563,087,141,287,847.88
  5. Step 5: Solve for x
    x = 563,087,141,287,847.88/21,947,849.84
  6. Step 6: Final answer
    x = 25,655,685.88

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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.