Home / 16,635,905.60-24,952,015.20-13,638,862.40

Finding the Fourth Proportional to 16,635,905.60, 24,952,015.20 and 13,638,862.40

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Solution

The fourth proportional to 16,635,905.60, 24,952,015.20 and 13,638,862.40 is: 20,456,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,635,905.60 : 24,952,015.20 = 13,638,862.40 : x
  2. Step 2: Convert to fraction form
    16,635,905.60/24,952,015.20 = 13,638,862.40/x
  3. Step 3: Cross multiply
    16,635,905.60x = 24,952,015.20 × 13,638,862.40
  4. Step 4: Simplify right side
    16,635,905.60x = 340,317,101,915,508.50
  5. Step 5: Solve for x
    x = 340,317,101,915,508.50/16,635,905.60
  6. Step 6: Final answer
    x = 20,456,782.46

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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.