Home / 40,482,960-60,724,366.15-13,189,220.51

Finding the Fourth Proportional to 40,482,960, 60,724,366.15 and 13,189,220.51

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Solution

The fourth proportional to 40,482,960, 60,724,366.15 and 13,189,220.51 is: 19,783,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482,960 : 60,724,366.15 = 13,189,220.51 : x
  2. Step 2: Convert to fraction form
    40,482,960/60,724,366.15 = 13,189,220.51/x
  3. Step 3: Cross multiply
    40,482,960x = 60,724,366.15 × 13,189,220.51
  4. Step 4: Simplify right side
    40,482,960x = 800,907,055,112,761.88
  5. Step 5: Solve for x
    x = 800,907,055,112,761.88/40,482,960
  6. Step 6: Final answer
    x = 19,783,806.70

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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.