Home / 16,638,085.60-24,957,128.40-9,919,621.60

Finding the Fourth Proportional to 16,638,085.60, 24,957,128.40 and 9,919,621.60

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Solution

The fourth proportional to 16,638,085.60, 24,957,128.40 and 9,919,621.60 is: 14,879,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,085.60 : 24,957,128.40 = 9,919,621.60 : x
  2. Step 2: Convert to fraction form
    16,638,085.60/24,957,128.40 = 9,919,621.60/x
  3. Step 3: Cross multiply
    16,638,085.60x = 24,957,128.40 × 9,919,621.60
  4. Step 4: Simplify right side
    16,638,085.60x = 247,565,269,950,613.41
  5. Step 5: Solve for x
    x = 247,565,269,950,613.41/16,638,085.60
  6. Step 6: Final answer
    x = 14,879,432.40

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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.