Home / 19,561,325.60-29,341,988.40-12,758,880.80

Finding the Fourth Proportional to 19,561,325.60, 29,341,988.40 and 12,758,880.80

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Solution

The fourth proportional to 19,561,325.60, 29,341,988.40 and 12,758,880.80 is: 19,138,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,325.60 : 29,341,988.40 = 12,758,880.80 : x
  2. Step 2: Convert to fraction form
    19,561,325.60/29,341,988.40 = 12,758,880.80/x
  3. Step 3: Cross multiply
    19,561,325.60x = 29,341,988.40 × 12,758,880.80
  4. Step 4: Simplify right side
    19,561,325.60x = 374,370,932,430,582.75
  5. Step 5: Solve for x
    x = 374,370,932,430,582.75/19,561,325.60
  6. Step 6: Final answer
    x = 19,138,321.20

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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.