Home / 28,045,600.60-42,068,400.90-12,692,860.60

Finding the Fourth Proportional to 28,045,600.60, 42,068,400.90 and 12,692,860.60

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Solution

The fourth proportional to 28,045,600.60, 42,068,400.90 and 12,692,860.60 is: 19,039,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,600.60 : 42,068,400.90 = 12,692,860.60 : x
  2. Step 2: Convert to fraction form
    28,045,600.60/42,068,400.90 = 12,692,860.60/x
  3. Step 3: Cross multiply
    28,045,600.60x = 42,068,400.90 × 12,692,860.60
  4. Step 4: Simplify right side
    28,045,600.60x = 533,968,348,288,614.50
  5. Step 5: Solve for x
    x = 533,968,348,288,614.50/28,045,600.60
  6. Step 6: Final answer
    x = 19,039,290.90

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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.