Home / 14,489,904.80-21,734,857.20-7,771,440.80

Finding the Fourth Proportional to 14,489,904.80, 21,734,857.20 and 7,771,440.80

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Solution

The fourth proportional to 14,489,904.80, 21,734,857.20 and 7,771,440.80 is: 11,657,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,904.80 : 21,734,857.20 = 7,771,440.80 : x
  2. Step 2: Convert to fraction form
    14,489,904.80/21,734,857.20 = 7,771,440.80/x
  3. Step 3: Cross multiply
    14,489,904.80x = 21,734,857.20 × 7,771,440.80
  4. Step 4: Simplify right side
    14,489,904.80x = 168,911,156,026,253.75
  5. Step 5: Solve for x
    x = 168,911,156,026,253.75/14,489,904.80
  6. Step 6: Final answer
    x = 11,657,161.20

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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.