Home / 10,429,455.60-15,644,183.40-7,406,146.80

Finding the Fourth Proportional to 10,429,455.60, 15,644,183.40 and 7,406,146.80

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Solution

The fourth proportional to 10,429,455.60, 15,644,183.40 and 7,406,146.80 is: 11,109,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,455.60 : 15,644,183.40 = 7,406,146.80 : x
  2. Step 2: Convert to fraction form
    10,429,455.60/15,644,183.40 = 7,406,146.80/x
  3. Step 3: Cross multiply
    10,429,455.60x = 15,644,183.40 × 7,406,146.80
  4. Step 4: Simplify right side
    10,429,455.60x = 115,863,118,826,523.12
  5. Step 5: Solve for x
    x = 115,863,118,826,523.12/10,429,455.60
  6. Step 6: Final answer
    x = 11,109,220.20

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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.