Home / 38,493,308.09-53,120,764.00-21,090,312.29

Finding the Fourth Proportional to 38,493,308.09, 53,120,764.00 and 21,090,312.29

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Solution

The fourth proportional to 38,493,308.09, 53,120,764.00 and 21,090,312.29 is: 29,104,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493,308.09 : 53,120,764.00 = 21,090,312.29 : x
  2. Step 2: Convert to fraction form
    38,493,308.09/53,120,764.00 = 21,090,312.29/x
  3. Step 3: Cross multiply
    38,493,308.09x = 53,120,764.00 × 21,090,312.29
  4. Step 4: Simplify right side
    38,493,308.09x = 1,120,333,502,002,554.38
  5. Step 5: Solve for x
    x = 1,120,333,502,002,554.38/38,493,308.09
  6. Step 6: Final answer
    x = 29,104,630.32

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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.