Home / 19,887,721.24-29,779,600.26-18,675,519.16

Finding the Fourth Proportional to 19,887,721.24, 29,779,600.26 and 18,675,519.16

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Solution

The fourth proportional to 19,887,721.24, 29,779,600.26 and 18,675,519.16 is: 27,964,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887,721.24 : 29,779,600.26 = 18,675,519.16 : x
  2. Step 2: Convert to fraction form
    19,887,721.24/29,779,600.26 = 18,675,519.16/x
  3. Step 3: Cross multiply
    19,887,721.24x = 29,779,600.26 × 18,675,519.16
  4. Step 4: Simplify right side
    19,887,721.24x = 556,149,495,232,771
  5. Step 5: Solve for x
    x = 556,149,495,232,771/19,887,721.24
  6. Step 6: Final answer
    x = 27,964,465.54

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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.