Home / 21,893,697.64-30,218,098.98-12,731,625.64

Finding the Fourth Proportional to 21,893,697.64, 30,218,098.98 and 12,731,625.64

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Solution

The fourth proportional to 21,893,697.64, 30,218,098.98 and 12,731,625.64 is: 17,572,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,697.64 : 30,218,098.98 = 12,731,625.64 : x
  2. Step 2: Convert to fraction form
    21,893,697.64/30,218,098.98 = 12,731,625.64/x
  3. Step 3: Cross multiply
    21,893,697.64x = 30,218,098.98 × 12,731,625.64
  4. Step 4: Simplify right side
    21,893,697.64x = 384,725,523,765,825.88
  5. Step 5: Solve for x
    x = 384,725,523,765,825.88/21,893,697.64
  6. Step 6: Final answer
    x = 17,572,432.49

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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.