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Finding the Fourth Proportional to 16,392,801.60, 24,596,200.80 and 7,868,750.40

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Solution

The fourth proportional to 16,392,801.60, 24,596,200.80 and 7,868,750.40 is: 11,806,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392,801.60 : 24,596,200.80 = 7,868,750.40 : x
  2. Step 2: Convert to fraction form
    16,392,801.60/24,596,200.80 = 7,868,750.40/x
  3. Step 3: Cross multiply
    16,392,801.60x = 24,596,200.80 × 7,868,750.40
  4. Step 4: Simplify right side
    16,392,801.60x = 193,541,364,883,480.34
  5. Step 5: Solve for x
    x = 193,541,364,883,480.34/16,392,801.60
  6. Step 6: Final answer
    x = 11,806,484.92

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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.