Home / 30,363,798.16-41,858,459.97-21,646,837.16

Finding the Fourth Proportional to 30,363,798.16, 41,858,459.97 and 21,646,837.16

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Solution

The fourth proportional to 30,363,798.16, 41,858,459.97 and 21,646,837.16 is: 29,841,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,798.16 : 41,858,459.97 = 21,646,837.16 : x
  2. Step 2: Convert to fraction form
    30,363,798.16/41,858,459.97 = 21,646,837.16/x
  3. Step 3: Cross multiply
    30,363,798.16x = 41,858,459.97 × 21,646,837.16
  4. Step 4: Simplify right side
    30,363,798.16x = 906,103,266,738,968.50
  5. Step 5: Solve for x
    x = 906,103,266,738,968.50/30,363,798.16
  6. Step 6: Final answer
    x = 29,841,565.34

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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.