Home / 18,717,851.60-28,076,777.40-18,434,416.40

Finding the Fourth Proportional to 18,717,851.60, 28,076,777.40 and 18,434,416.40

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Solution

The fourth proportional to 18,717,851.60, 28,076,777.40 and 18,434,416.40 is: 27,651,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,851.60 : 28,076,777.40 = 18,434,416.40 : x
  2. Step 2: Convert to fraction form
    18,717,851.60/28,076,777.40 = 18,434,416.40/x
  3. Step 3: Cross multiply
    18,717,851.60x = 28,076,777.40 × 18,434,416.40
  4. Step 4: Simplify right side
    18,717,851.60x = 517,579,005,761,709.31
  5. Step 5: Solve for x
    x = 517,579,005,761,709.31/18,717,851.60
  6. Step 6: Final answer
    x = 27,651,624.60

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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.