Home / 11,153,107.60-16,729,661.40-8,630,573.20

Finding the Fourth Proportional to 11,153,107.60, 16,729,661.40 and 8,630,573.20

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Solution

The fourth proportional to 11,153,107.60, 16,729,661.40 and 8,630,573.20 is: 12,945,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,107.60 : 16,729,661.40 = 8,630,573.20 : x
  2. Step 2: Convert to fraction form
    11,153,107.60/16,729,661.40 = 8,630,573.20/x
  3. Step 3: Cross multiply
    11,153,107.60x = 16,729,661.40 × 8,630,573.20
  4. Step 4: Simplify right side
    11,153,107.60x = 144,386,567,323,914.47
  5. Step 5: Solve for x
    x = 144,386,567,323,914.47/11,153,107.60
  6. Step 6: Final answer
    x = 12,945,859.80

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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.