Home / 25,411,756.80-35,071,213.74-15,098,479.89

Finding the Fourth Proportional to 25,411,756.80, 35,071,213.74 and 15,098,479.89

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Solution

The fourth proportional to 25,411,756.80, 35,071,213.74 and 15,098,479.89 is: 20,837,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411,756.80 : 35,071,213.74 = 15,098,479.89 : x
  2. Step 2: Convert to fraction form
    25,411,756.80/35,071,213.74 = 15,098,479.89/x
  3. Step 3: Cross multiply
    25,411,756.80x = 35,071,213.74 × 15,098,479.89
  4. Step 4: Simplify right side
    25,411,756.80x = 529,522,015,431,604.06
  5. Step 5: Solve for x
    x = 529,522,015,431,604.06/25,411,756.80
  6. Step 6: Final answer
    x = 20,837,678.39

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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.