Home / 13,595,961.40-20,417,561.70-7,218,669.40

Finding the Fourth Proportional to 13,595,961.40, 20,417,561.70 and 7,218,669.40

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Solution

The fourth proportional to 13,595,961.40, 20,417,561.70 and 7,218,669.40 is: 10,840,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,961.40 : 20,417,561.70 = 7,218,669.40 : x
  2. Step 2: Convert to fraction form
    13,595,961.40/20,417,561.70 = 7,218,669.40/x
  3. Step 3: Cross multiply
    13,595,961.40x = 20,417,561.70 × 7,218,669.40
  4. Step 4: Simplify right side
    13,595,961.40x = 147,387,627,866,401.97
  5. Step 5: Solve for x
    x = 147,387,627,866,401.97/13,595,961.40
  6. Step 6: Final answer
    x = 10,840,544.74

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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.