Home / 30,987,076.40-46,426,748.76-21,745,448.64

Finding the Fourth Proportional to 30,987,076.40, 46,426,748.76 and 21,745,448.64

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Solution

The fourth proportional to 30,987,076.40, 46,426,748.76 and 21,745,448.64 is: 32,580,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987,076.40 : 46,426,748.76 = 21,745,448.64 : x
  2. Step 2: Convert to fraction form
    30,987,076.40/46,426,748.76 = 21,745,448.64/x
  3. Step 3: Cross multiply
    30,987,076.40x = 46,426,748.76 × 21,745,448.64
  4. Step 4: Simplify right side
    30,987,076.40x = 1,009,570,480,682,763.62
  5. Step 5: Solve for x
    x = 1,009,570,480,682,763.62/30,987,076.40
  6. Step 6: Final answer
    x = 32,580,372.14

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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.