Home / 26,578,720.80-39,868,081.20-13,141,792.80

Finding the Fourth Proportional to 26,578,720.80, 39,868,081.20 and 13,141,792.80

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Solution

The fourth proportional to 26,578,720.80, 39,868,081.20 and 13,141,792.80 is: 19,712,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,578,720.80 : 39,868,081.20 = 13,141,792.80 : x
  2. Step 2: Convert to fraction form
    26,578,720.80/39,868,081.20 = 13,141,792.80/x
  3. Step 3: Cross multiply
    26,578,720.80x = 39,868,081.20 × 13,141,792.80
  4. Step 4: Simplify right side
    26,578,720.80x = 523,938,062,463,975.44
  5. Step 5: Solve for x
    x = 523,938,062,463,975.44/26,578,720.80
  6. Step 6: Final answer
    x = 19,712,689.20

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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.