Home / 21,334,230.38-29,441,415.96-12,518,952.86

Finding the Fourth Proportional to 21,334,230.38, 29,441,415.96 and 12,518,952.86

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Solution

The fourth proportional to 21,334,230.38, 29,441,415.96 and 12,518,952.86 is: 17,276,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,230.38 : 29,441,415.96 = 12,518,952.86 : x
  2. Step 2: Convert to fraction form
    21,334,230.38/29,441,415.96 = 12,518,952.86/x
  3. Step 3: Cross multiply
    21,334,230.38x = 29,441,415.96 × 12,518,952.86
  4. Step 4: Simplify right side
    21,334,230.38x = 368,575,698,534,891.62
  5. Step 5: Solve for x
    x = 368,575,698,534,891.62/21,334,230.38
  6. Step 6: Final answer
    x = 17,276,259.42

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1.5x scale

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.