Home / 21,336,000.40-32,017,997.40-12,238,080.40

Finding the Fourth Proportional to 21,336,000.40, 32,017,997.40 and 12,238,080.40

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Solution

The fourth proportional to 21,336,000.40, 32,017,997.40 and 12,238,080.40 is: 18,365,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336,000.40 : 32,017,997.40 = 12,238,080.40 : x
  2. Step 2: Convert to fraction form
    21,336,000.40/32,017,997.40 = 12,238,080.40/x
  3. Step 3: Cross multiply
    21,336,000.40x = 32,017,997.40 × 12,238,080.40
  4. Step 4: Simplify right side
    21,336,000.40x = 391,838,826,428,190.94
  5. Step 5: Solve for x
    x = 391,838,826,428,190.94/21,336,000.40
  6. Step 6: Final answer
    x = 18,365,149.00

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1.5x scale

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.