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Finding the Fourth Proportional to 16,806,497.60, 25,209,746.40 and 16,069,332.80

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Solution

The fourth proportional to 16,806,497.60, 25,209,746.40 and 16,069,332.80 is: 24,103,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806,497.60 : 25,209,746.40 = 16,069,332.80 : x
  2. Step 2: Convert to fraction form
    16,806,497.60/25,209,746.40 = 16,069,332.80/x
  3. Step 3: Cross multiply
    16,806,497.60x = 25,209,746.40 × 16,069,332.80
  4. Step 4: Simplify right side
    16,806,497.60x = 405,103,804,705,201.94
  5. Step 5: Solve for x
    x = 405,103,804,705,201.94/16,806,497.60
  6. Step 6: Final answer
    x = 24,103,999.20

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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.