Home / 14,409,555.05-21,607,834.19-7,120,172.88

Finding the Fourth Proportional to 14,409,555.05, 21,607,834.19 and 7,120,172.88

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Solution

The fourth proportional to 14,409,555.05, 21,607,834.19 and 7,120,172.88 is: 10,677,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409,555.05 : 21,607,834.19 = 7,120,172.88 : x
  2. Step 2: Convert to fraction form
    14,409,555.05/21,607,834.19 = 7,120,172.88/x
  3. Step 3: Cross multiply
    14,409,555.05x = 21,607,834.19 × 7,120,172.88
  4. Step 4: Simplify right side
    14,409,555.05x = 153,851,514,995,174.78
  5. Step 5: Solve for x
    x = 153,851,514,995,174.78/14,409,555.05
  6. Step 6: Final answer
    x = 10,677,048.28

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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.