Home / 39,786,816-59,680,224-12,860,472

Finding the Fourth Proportional to 39,786,816, 59,680,224 and 12,860,472

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Solution

The fourth proportional to 39,786,816, 59,680,224 and 12,860,472 is: 19,290,708

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786,816 : 59,680,224 = 12,860,472 : x
  2. Step 2: Convert to fraction form
    39,786,816/59,680,224 = 12,860,472/x
  3. Step 3: Cross multiply
    39,786,816x = 59,680,224 × 12,860,472
  4. Step 4: Simplify right side
    39,786,816x = 767,515,849,705,728
  5. Step 5: Solve for x
    x = 767,515,849,705,728/39,786,816
  6. Step 6: Final answer
    x = 19,290,708

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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.