Home / 10,830,073.60-16,245,110.40-8,420,874.40

Finding the Fourth Proportional to 10,830,073.60, 16,245,110.40 and 8,420,874.40

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Solution

The fourth proportional to 10,830,073.60, 16,245,110.40 and 8,420,874.40 is: 12,631,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830,073.60 : 16,245,110.40 = 8,420,874.40 : x
  2. Step 2: Convert to fraction form
    10,830,073.60/16,245,110.40 = 8,420,874.40/x
  3. Step 3: Cross multiply
    10,830,073.60x = 16,245,110.40 × 8,420,874.40
  4. Step 4: Simplify right side
    10,830,073.60x = 136,798,034,292,533.77
  5. Step 5: Solve for x
    x = 136,798,034,292,533.77/10,830,073.60
  6. Step 6: Final answer
    x = 12,631,311.60

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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.