Home / 18,717,915.60-28,076,873.40-16,166,998.80

Finding the Fourth Proportional to 18,717,915.60, 28,076,873.40 and 16,166,998.80

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Solution

The fourth proportional to 18,717,915.60, 28,076,873.40 and 16,166,998.80 is: 24,250,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,915.60 : 28,076,873.40 = 16,166,998.80 : x
  2. Step 2: Convert to fraction form
    18,717,915.60/28,076,873.40 = 16,166,998.80/x
  3. Step 3: Cross multiply
    18,717,915.60x = 28,076,873.40 × 16,166,998.80
  4. Step 4: Simplify right side
    18,717,915.60x = 453,918,778,565,551.94
  5. Step 5: Solve for x
    x = 453,918,778,565,551.94/18,717,915.60
  6. Step 6: Final answer
    x = 24,250,498.20

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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.