Home / 39,228,707.86-54,136,114.82-21,589,641.32

Finding the Fourth Proportional to 39,228,707.86, 54,136,114.82 and 21,589,641.32

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Solution

The fourth proportional to 39,228,707.86, 54,136,114.82 and 21,589,641.32 is: 29,793,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228,707.86 : 54,136,114.82 = 21,589,641.32 : x
  2. Step 2: Convert to fraction form
    39,228,707.86/54,136,114.82 = 21,589,641.32/x
  3. Step 3: Cross multiply
    39,228,707.86x = 54,136,114.82 × 21,589,641.32
  4. Step 4: Simplify right side
    39,228,707.86x = 1,168,779,301,422,136.50
  5. Step 5: Solve for x
    x = 1,168,779,301,422,136.50/39,228,707.86
  6. Step 6: Final answer
    x = 29,793,979.08

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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.