Home / 36,978,421.48-51,028,354.42-20,232,798.59

Finding the Fourth Proportional to 36,978,421.48, 51,028,354.42 and 20,232,798.59

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Solution

The fourth proportional to 36,978,421.48, 51,028,354.42 and 20,232,798.59 is: 27,920,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978,421.48 : 51,028,354.42 = 20,232,798.59 : x
  2. Step 2: Convert to fraction form
    36,978,421.48/51,028,354.42 = 20,232,798.59/x
  3. Step 3: Cross multiply
    36,978,421.48x = 51,028,354.42 × 20,232,798.59
  4. Step 4: Simplify right side
    36,978,421.48x = 1,032,446,417,435,985.12
  5. Step 5: Solve for x
    x = 1,032,446,417,435,985.12/36,978,421.48
  6. Step 6: Final answer
    x = 27,920,240.40

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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.