Home / 10,757,021.60-16,135,532.40-9,455,319.20

Finding the Fourth Proportional to 10,757,021.60, 16,135,532.40 and 9,455,319.20

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Solution

The fourth proportional to 10,757,021.60, 16,135,532.40 and 9,455,319.20 is: 14,182,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757,021.60 : 16,135,532.40 = 9,455,319.20 : x
  2. Step 2: Convert to fraction form
    10,757,021.60/16,135,532.40 = 9,455,319.20/x
  3. Step 3: Cross multiply
    10,757,021.60x = 16,135,532.40 × 9,455,319.20
  4. Step 4: Simplify right side
    10,757,021.60x = 152,566,609,303,942.06
  5. Step 5: Solve for x
    x = 152,566,609,303,942.06/10,757,021.60
  6. Step 6: Final answer
    x = 14,182,978.80

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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.