Home / 30,397,897.25-45,590,008.08-13,987,440.31

Finding the Fourth Proportional to 30,397,897.25, 45,590,008.08 and 13,987,440.31

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Solution

The fourth proportional to 30,397,897.25, 45,590,008.08 and 13,987,440.31 is: 20,978,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397,897.25 : 45,590,008.08 = 13,987,440.31 : x
  2. Step 2: Convert to fraction form
    30,397,897.25/45,590,008.08 = 13,987,440.31/x
  3. Step 3: Cross multiply
    30,397,897.25x = 45,590,008.08 × 13,987,440.31
  4. Step 4: Simplify right side
    30,397,897.25x = 637,687,516,523,467.62
  5. Step 5: Solve for x
    x = 637,687,516,523,467.62/30,397,897.25
  6. Step 6: Final answer
    x = 20,978,014.08

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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.