Home / 21,108,779.04-29,130,171.20-11,450,987.04

Finding the Fourth Proportional to 21,108,779.04, 29,130,171.20 and 11,450,987.04

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Solution

The fourth proportional to 21,108,779.04, 29,130,171.20 and 11,450,987.04 is: 15,802,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,108,779.04 : 29,130,171.20 = 11,450,987.04 : x
  2. Step 2: Convert to fraction form
    21,108,779.04/29,130,171.20 = 11,450,987.04/x
  3. Step 3: Cross multiply
    21,108,779.04x = 29,130,171.20 × 11,450,987.04
  4. Step 4: Simplify right side
    21,108,779.04x = 333,569,212,884,181.19
  5. Step 5: Solve for x
    x = 333,569,212,884,181.19/21,108,779.04
  6. Step 6: Final answer
    x = 15,802,392.56

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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.