Home / 20,421,496.08-28,182,255.14-11,254,729.32

Finding the Fourth Proportional to 20,421,496.08, 28,182,255.14 and 11,254,729.32

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Solution

The fourth proportional to 20,421,496.08, 28,182,255.14 and 11,254,729.32 is: 15,531,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,421,496.08 : 28,182,255.14 = 11,254,729.32 : x
  2. Step 2: Convert to fraction form
    20,421,496.08/28,182,255.14 = 11,254,729.32/x
  3. Step 3: Cross multiply
    20,421,496.08x = 28,182,255.14 × 11,254,729.32
  4. Step 4: Simplify right side
    20,421,496.08x = 317,183,653,227,878.75
  5. Step 5: Solve for x
    x = 317,183,653,227,878.75/20,421,496.08
  6. Step 6: Final answer
    x = 15,531,851.93

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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.